Harvard Catalyst Profiles

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David C Chang, Ph.D.

Concepts (334)

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Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.
Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
Cultural Competency220223001.120 Why?
Surgical Procedures, Operative6202119241.070 Why?
Aortic Aneurysm, Abdominal6202312280.940 Why?
Blood Vessel Prosthesis Implantation5202314280.840 Why?
Hospitals, Private12021630.740 Why?
Specialties, Surgical420213890.730 Why?
SEER Program5202114500.720 Why?
General Surgery4201916920.680 Why?
Professional Practice Location12020560.680 Why?
Liver Transplantation6202123300.670 Why?
Patient Readmission7202432710.630 Why?
Quality Improvement7202238010.620 Why?
Pancreatectomy320188110.610 Why?
Emergency Medical Services2202119230.610 Why?
Wounds and Injuries3202124910.590 Why?
Emigrants and Immigrants220215430.570 Why?
United States Department of Veterans Affairs120229280.550 Why?
Hospitals, General120207980.530 Why?
Healthcare Disparities4202133580.520 Why?
Water1202214110.520 Why?
Digestive System Surgical Procedures120215720.520 Why?
Pancreatic Diseases220173430.520 Why?
Physicians, Women420225090.500 Why?
Peripheral Vascular Diseases120184880.480 Why?
Limb Salvage120184810.480 Why?
Carcinoma, Ductal, Breast2201910850.480 Why?
Law Enforcement120161120.480 Why?
Biomedical Research2202134290.460 Why?
Hospitals, Teaching2202011560.460 Why?
Medicine120229420.450 Why?
Breast Neoplasms62023210170.450 Why?
Choice Behavior120208240.450 Why?
Laparotomy120154570.430 Why?
Health Services Accessibility5201954400.430 Why?
Colorectal Neoplasms3202269350.430 Why?
Carcinoma in Situ120197910.430 Why?
Medicaid3202128180.420 Why?
Endovascular Procedures4202321830.410 Why?
Hepatectomy420215570.410 Why?
Accidents, Traffic120188160.410 Why?
Delivery of Health Care2202253360.410 Why?
Arthroplasty, Replacement, Knee4202413930.400 Why?
Health Resources120189350.400 Why?
Employment4202111180.390 Why?
Data Interpretation, Statistical2201926910.380 Why?
Transurethral Resection of Prostate22023790.380 Why?
Humans9920247615720.380 Why?
Residence Characteristics1202120940.370 Why?
Health Services Research1201918120.370 Why?
Urinary Retention220231060.370 Why?
Postoperative Complications112023156330.370 Why?
Carcinoma, Hepatocellular2202122970.370 Why?
California5201814300.370 Why?
Liver Neoplasms3202143190.350 Why?
Health Services Needs and Demand1201814030.350 Why?
United States282023723350.340 Why?
Pancreaticoduodenectomy320185090.340 Why?
Quality Indicators, Health Care2201717920.340 Why?
Clinical Competence5202247930.330 Why?
Breast1201819670.320 Why?
Gastrectomy320196720.320 Why?
Diagnostic Tests, Routine120157870.320 Why?
New York City220217310.300 Why?
Venous Thromboembolism1202118660.300 Why?
Prostatic Hyperplasia220235210.300 Why?
Inpatients1201925480.290 Why?
Perioperative Period220192500.290 Why?
Early Detection of Cancer1202232010.290 Why?
Databases, Factual7202279670.280 Why?
Liver Cirrhosis4202119350.260 Why?
Retrospective Studies322024806460.260 Why?
Anticoagulants1202148120.250 Why?
Aged3820241693100.250 Why?
Bariatric Surgery320209920.250 Why?
Sample Size220198410.250 Why?
Middle Aged4020242209200.250 Why?
Reoperation5202443030.240 Why?
Female5720243926860.240 Why?
Quality Assurance, Health Care1201521690.230 Why?
Health Policy1201726840.230 Why?
End Stage Liver Disease220203520.230 Why?
Male5220243608420.230 Why?
Research Design2201961800.220 Why?
Emergencies4201912170.220 Why?
Hospital Mortality6201952930.210 Why?
Randomized Controlled Trials as Topic22019102120.210 Why?
Health Literacy220194440.210 Why?
Pandemics2202386560.200 Why?
Age Distribution2201828800.200 Why?
Arthroplasty, Replacement, Hip2202214130.200 Why?
Ambulatory Surgical Procedures220244640.200 Why?
Advance Care Planning220196990.190 Why?
Injury Severity Score2202110450.180 Why?
Parental Leave12021930.180 Why?
Colectomy320226880.180 Why?
Lung Neoplasms22022133820.170 Why?
New York520218740.170 Why?
Patient Education as Topic3201923190.170 Why?
Diagnosis-Related Groups120214490.170 Why?
Adult2720242212030.170 Why?
Diverticulitis120221850.170 Why?
Academic Medical Centers2202227590.160 Why?
Practice Guidelines as Topic4202273910.160 Why?
Insurance, Health4202024980.160 Why?
Laparoscopy3202020360.160 Why?
Decompression, Surgical120246070.160 Why?
Medical Futility120201360.160 Why?
Mass Screening1201554280.160 Why?
Lost to Follow-Up120191230.160 Why?
Organizational Culture120225080.160 Why?
Centralized Hospital Services12018180.150 Why?
Thoracotomy120203670.150 Why?
Proxy120191510.150 Why?
Emigration and Immigration120213970.150 Why?
Adolescent112021883240.150 Why?
Trauma Centers220219370.150 Why?
Insurance120191130.150 Why?
Hypophosphatemia12018920.150 Why?
Diabetes Mellitus, Type 222019121480.150 Why?
Brain Neoplasms1201990310.150 Why?
Donor Selection120202320.150 Why?
Wounds, Penetrating120203130.150 Why?
Renal Artery120193510.150 Why?
Pancreatic Fistula120181480.150 Why?
Esophageal Achalasia12018940.150 Why?
Pneumothorax120213860.150 Why?
Pelvic Pain120202980.150 Why?
Taiwan120195210.140 Why?
Stomach Neoplasms2201814590.140 Why?
Postoperative Hemorrhage120214150.140 Why?
Young Adult102021592550.140 Why?
Health Care Reform2201712470.140 Why?
Treatment Outcome142023646840.140 Why?
Diverticulitis, Colonic120191380.140 Why?
Transportation of Patients120181740.140 Why?
Circumcision, Male120181480.140 Why?
Colorectal Surgery120191220.140 Why?
Liver Failure120192500.140 Why?
Aorta, Abdominal120196250.130 Why?
Emergency Treatment120204960.130 Why?
Risk Factors152023742130.130 Why?
Aged, 80 and over102022589860.130 Why?
Biliary Tract Surgical Procedures12016450.130 Why?
Resuscitation120206730.130 Why?
Adrenalectomy120173460.130 Why?
Liver4202075290.130 Why?
Logistic Models52022132550.120 Why?
Wounds, Gunshot120215820.120 Why?
Bile120162980.120 Why?
Patient Preference220199240.120 Why?
Vulnerable Populations220197030.120 Why?
Phosphates120187700.120 Why?
Patients120219070.120 Why?
Registries6202082240.120 Why?
Workload120218440.120 Why?
Athletes1202211370.120 Why?
Triage120219860.120 Why?
Kidney Transplantation2202042350.120 Why?
Obesity, Morbid3201912770.120 Why?
Continuity of Patient Care2201910690.120 Why?
Length of Stay4202164260.110 Why?
Faculty, Medical1202212040.110 Why?
Operating Rooms120207890.110 Why?
Survival Rate52020127250.110 Why?
Pneumonectomy1202011190.110 Why?
Postoperative Period1201818140.110 Why?
Homicide120162940.110 Why?
Tissue Donors2202023320.110 Why?
Firearms220216250.110 Why?
Time Factors72021399700.100 Why?
Massachusetts3202188300.100 Why?
Interprofessional Relations120199900.100 Why?
Leg1201810880.100 Why?
Needs Assessment1201911390.100 Why?
Fatty Liver120197900.100 Why?
Organ Transplantation1202311570.100 Why?
Specialization120177780.100 Why?
Hospitalization32021107210.100 Why?
Hospice Care120196780.100 Why?
Risk Adjustment120166000.100 Why?
Lymphocytes1202026120.100 Why?
Lymph Node Excision1201812710.100 Why?
Incidence32021213550.100 Why?
Carcinoma, Intraductal, Noninfiltrating120199260.100 Why?
Osteoarthritis, Knee1202212340.100 Why?
Referral and Consultation2202236000.090 Why?
Travel120177960.090 Why?
Leadership1202013850.090 Why?
Antibiotic Prophylaxis120166370.090 Why?
Morbidity1201617500.090 Why?
Patient Participation1202014450.090 Why?
Pancreatic Neoplasms3201753690.090 Why?
Gastric Bypass120198180.090 Why?
Informed Consent1201710080.090 Why?
Adenocarcinoma2201863460.090 Why?
Violence120169360.080 Why?
Delivery of Health Care, Integrated120189420.080 Why?
Waiting Lists320207650.080 Why?
Minority Groups1201712030.080 Why?
Hepatitis C1202015840.080 Why?
Risk Assessment72020239960.080 Why?
Critical Illness2202027230.080 Why?
Intraoperative Complications1201611660.080 Why?
Kidney Diseases1202020910.080 Why?
Pancreas1201616910.080 Why?
Medical Records Systems, Computerized1201511920.080 Why?
Consensus1201831230.080 Why?
Neoplasm Staging22020111210.080 Why?
Mammography1201924300.070 Why?
Insurance Coverage2201719400.070 Why?
Multivariate Analysis22018120590.070 Why?
Neutrophils1202037670.070 Why?
Patient-Centered Care1201714210.070 Why?
Survivors1201723710.070 Why?
Surgical Wound Infection1201615290.070 Why?
Socioeconomic Factors2201778270.070 Why?
Critical Care1201926970.070 Why?
Health Care Costs3202432420.070 Why?
Patient Discharge1201934430.060 Why?
Odds Ratio1201896460.060 Why?
Anastomosis, Surgical220199830.060 Why?
Mortality1201629010.060 Why?
Communication1201938730.060 Why?
Cell Proliferation12020104480.060 Why?
Prevalence22019157320.060 Why?
Cohort Studies62024414930.060 Why?
Biopsy3202067660.060 Why?
Reproducibility of Results22020200990.060 Why?
Hospitals1201738820.060 Why?
Patient Acceptance of Health Care1201732050.060 Why?
Follow-Up Studies42019391070.050 Why?
Severity of Illness Index22020158430.050 Why?
Viscosupplements12022210.050 Why?
Medicare1202067700.050 Why?
Stereotyped Behavior120221350.050 Why?
Pleurodesis12021460.050 Why?
Spinal Stenosis120242610.050 Why?
Blood Pressure1201684810.050 Why?
Injections, Intra-Articular120222800.050 Why?
Relative Value Scales12021840.050 Why?
Prognosis52020296290.050 Why?
Internship and Residency1202058820.040 Why?
Colon, Sigmoid120201240.040 Why?
Cross-Sectional Studies42021261270.040 Why?
Sensitivity and Specificity12015146660.040 Why?
Albumins120225750.040 Why?
Quality of Life22019133670.040 Why?
Acute Disease2202072370.040 Why?
Graft Survival2202038200.040 Why?
Algorithms12019140320.040 Why?
Hyaluronic Acid120224830.040 Why?
Longitudinal Studies32019146070.040 Why?
Efficiency120214760.040 Why?
Acetaminophen120225540.040 Why?
Neurotoxins120182400.040 Why?
Predictive Value of Tests32020152660.040 Why?
Anti-Bacterial Agents1201674070.040 Why?
Platelet Count120207810.040 Why?
Antacids12017940.040 Why?
Enzyme Replacement Therapy12017800.040 Why?
Dilatation120183060.040 Why?
Age Factors32019183980.040 Why?
Organ Preservation120203820.040 Why?
Botulinum Toxins120181890.030 Why?
Sulbactam12016310.030 Why?
Cefoxitin12016350.030 Why?
Republic of Korea120185900.030 Why?
Ampicillin120161360.030 Why?
Leukocyte Count1202015960.030 Why?
Outpatients1202415970.030 Why?
Intensive Care Units2201937440.030 Why?
Perfusion1202013730.030 Why?
Cefazolin12016940.030 Why?
Hysterectomy120208570.030 Why?
Enterococcus faecalis120162450.030 Why?
Metronidazole120162320.030 Why?
Lumbar Vertebrae1202418790.030 Why?
Knowledge120161770.030 Why?
Decision Making2201939290.030 Why?
Cost of Illness1202419360.030 Why?
Treatment Failure1202026440.030 Why?
Organizational Objectives120164260.030 Why?
Professional-Patient Relations120197260.030 Why?
Comprehension120196210.030 Why?
Language1202315400.030 Why?
Respiratory Insufficiency1202212300.030 Why?
Adrenal Cortex Hormones1202218810.030 Why?
Motivation1202220060.030 Why?
Nutrition Surveys1201917330.030 Why?
Anti-Inflammatory Agents, Non-Steroidal1202222730.020 Why?
Comorbidity22017105080.020 Why?
Pain, Postoperative1202217400.020 Why?
Down-Regulation1201829190.020 Why?
Congresses as Topic120168030.020 Why?
Linear Models1202158720.020 Why?
Natural Language Processing1201911630.020 Why?
Streptococcus pneumoniae120167300.020 Why?
Vascular Surgical Procedures1201914890.020 Why?
Pneumonia1202221430.020 Why?
Hospitals, Pediatric1201918600.020 Why?
Regression Analysis1201963440.020 Why?
Microbial Sensitivity Tests1201619370.020 Why?
Educational Status1201725220.020 Why?
Home Care Services120166480.020 Why?
Lymphatic Metastasis1201729150.020 Why?
Physician-Patient Relations1202232490.020 Why?
Drug Resistance, Bacterial1201610480.020 Why?
Recurrence1202184660.020 Why?
Neoplasms12017221730.020 Why?
Pulmonary Embolism1202225670.020 Why?
Perioperative Care1201610360.020 Why?
Disease-Free Survival1201868150.020 Why?
Staphylococcus aureus1201614570.020 Why?
Kaplan-Meier Estimate1201864840.020 Why?
Psychometrics1201730650.020 Why?
Sepsis1202225850.020 Why?
Patient Care Team1201925210.020 Why?
Antiviral Agents1202030600.020 Why?
Kidney Failure, Chronic1201924720.020 Why?
Internet1201930930.020 Why?
Analgesics, Opioid1202238080.020 Why?
Attitude of Health Personnel1201938890.020 Why?
Parents1201835630.010 Why?
Palliative Care1201935980.010 Why?
Stents1201631790.010 Why?
Pilot Projects1201786330.010 Why?
Escherichia coli1201642170.010 Why?
Prospective Studies22019544260.010 Why?
Child22019801560.010 Why?
Emergency Service, Hospital1202078790.010 Why?
Pregnancy12021298760.010 Why?
Infant, Newborn12018261980.010 Why?
Infant12018361920.010 Why?
Child, Preschool12018422300.010 Why?
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Concepts (334)
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© 2024 President and Fellows of Harvard College
Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.