Harvard Catalyst Profiles

Contact, publication, and social network information about Harvard faculty and fellows.

David C Chang, Ph.D.

Concepts (328)

Back to Profile
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 Competency220222781.260 Why?
Surgical Procedures, Operative6202118771.150 Why?
Hospitals, Private12021600.840 Why?
Aortic Aneurysm, Abdominal4201911790.820 Why?
Liver Transplantation6202120350.800 Why?
Specialties, Surgical420213870.800 Why?
SEER Program5202115760.780 Why?
Professional Practice Location12020600.750 Why?
Blood Vessel Prosthesis Implantation3201913180.730 Why?
Emergency Medical Services2202117870.700 Why?
Quality Improvement7202237500.670 Why?
General Surgery3201816520.670 Why?
Emigrants and Immigrants220214820.660 Why?
Wounds and Injuries3202124160.660 Why?
Pancreatectomy320188550.650 Why?
United States Department of Veterans Affairs120228700.630 Why?
Hospitals, General120207150.600 Why?
Patient Readmission5201929870.590 Why?
Healthcare Disparities4202130310.590 Why?
Water1202213390.590 Why?
Digestive System Surgical Procedures120215690.570 Why?
Pancreatic Diseases220173590.570 Why?
Physicians, Women420224780.550 Why?
Limb Salvage120184520.550 Why?
Law Enforcement120161030.540 Why?
Medicine120228630.530 Why?
Carcinoma, Ductal, Breast2201911020.520 Why?
Peripheral Vascular Diseases120185830.510 Why?
Biomedical Research2202132730.510 Why?
Hospitals, Teaching2202011560.510 Why?
Choice Behavior120207970.490 Why?
Health Services Accessibility5201950280.490 Why?
Colorectal Neoplasms3202265900.480 Why?
Laparotomy120154730.480 Why?
Breast Neoplasms52022200830.470 Why?
Medicaid3202126350.470 Why?
Carcinoma in Situ120198200.460 Why?
Amputation120187880.460 Why?
Delivery of Health Care2202248720.460 Why?
Hepatectomy420215630.450 Why?
Accidents, Traffic120188050.450 Why?
Health Resources120189240.430 Why?
Carcinoma, Hepatocellular2202120880.430 Why?
Employment4202111050.420 Why?
Residence Characteristics1202119820.420 Why?
Data Interpretation, Statistical2201927070.410 Why?
California5201813950.410 Why?
Humans9120237172370.410 Why?
Health Services Research1201918370.400 Why?
Liver Neoplasms3202141010.400 Why?
Postoperative Complications92022151260.390 Why?
Gastrectomy320195580.380 Why?
United States272022677980.380 Why?
Health Services Needs and Demand1201814350.370 Why?
Pancreaticoduodenectomy320185180.370 Why?
Breast1201818220.360 Why?
Quality Indicators, Health Care2201718320.360 Why?
Venous Thromboembolism1202115800.360 Why?
Clinical Competence5202246540.360 Why?
Diagnostic Tests, Routine120157910.350 Why?
New York City220216690.340 Why?
Inpatients1201922580.340 Why?
Early Detection of Cancer1202229420.330 Why?
Perioperative Period220192650.320 Why?
Arthroplasty, Replacement, Knee3202213500.320 Why?
Databases, Factual7202278470.310 Why?
Liver Cirrhosis4202117510.300 Why?
Bariatric Surgery320208870.300 Why?
Endovascular Procedures2201919740.290 Why?
Anticoagulants1202143730.290 Why?
Sample Size220198190.280 Why?
End Stage Liver Disease220202630.270 Why?
Middle Aged3720222150410.260 Why?
Health Policy1201726250.260 Why?
Retrospective Studies262022726140.250 Why?
Aged3320221628560.250 Why?
Research Design2201958830.250 Why?
Female5120223779090.250 Why?
Quality Assurance, Health Care1201522680.250 Why?
African Americans2201850260.240 Why?
Randomized Controlled Trials as Topic2201995770.240 Why?
Health Literacy220193950.230 Why?
Male4720223513800.230 Why?
Pandemics2202372920.230 Why?
Advance Care Planning220196170.220 Why?
Emergencies3201711260.220 Why?
Age Distribution2201829300.220 Why?
Arthroplasty, Replacement, Hip2202213730.220 Why?
Hospital Mortality5201851410.220 Why?
Injury Severity Score220219990.210 Why?
Parental Leave12021800.200 Why?
Lung Neoplasms22022126070.200 Why?
Urinary Retention12020870.200 Why?
Transurethral Resection of Prostate12020760.190 Why?
Diverticulitis120221690.190 Why?
Diagnosis-Related Groups120214550.180 Why?
Patient Education as Topic3201923420.180 Why?
Medical Futility120201290.180 Why?
Lost to Follow-Up120191000.180 Why?
Academic Medical Centers2202227910.180 Why?
Mass Screening1201552130.180 Why?
Diabetes Mellitus, Type 222019110080.180 Why?
Trauma Centers220218610.170 Why?
Insurance12019900.170 Why?
Proxy120191450.170 Why?
Insurance, Health4202024980.170 Why?
Centralized Hospital Services12018190.170 Why?
Stomach Neoplasms2201812620.170 Why?
Thoracotomy120203640.170 Why?
Organizational Culture120225300.170 Why?
Emigration and Immigration120213790.170 Why?
Donor Selection120201890.170 Why?
Brain Neoplasms1201988050.170 Why?
Adult2320212124510.170 Why?
Wounds, Penetrating120203060.170 Why?
Pelvic Pain120202480.170 Why?
Hypophosphatemia12018960.170 Why?
Adolescent102021851390.160 Why?
Esophageal Achalasia12018890.160 Why?
Practice Guidelines as Topic3202274860.160 Why?
Pancreatic Fistula120181480.160 Why?
Taiwan120194840.160 Why?
Pneumothorax120213950.160 Why?
Postoperative Hemorrhage120214190.160 Why?
Health Care Reform2201712470.160 Why?
Liver Failure120192340.160 Why?
Renal Artery120194080.160 Why?
Circumcision, Male120181500.160 Why?
Transportation of Patients120181820.160 Why?
Young Adult92021562470.150 Why?
Reoperation4202041860.150 Why?
Prostatic Hyperplasia120205080.150 Why?
Biliary Tract Surgical Procedures12016490.150 Why?
Aorta, Abdominal120196780.150 Why?
Emergency Treatment120205150.140 Why?
Adrenalectomy120173120.140 Why?
Resuscitation120206390.140 Why?
Wounds, Gunshot120215370.140 Why?
Patients120217700.140 Why?
Liver4202076280.140 Why?
Patient Preference220198590.140 Why?
Obesity, Morbid3201910910.140 Why?
Phosphates120187860.140 Why?
Aged, 80 and over92022585280.140 Why?
Vulnerable Populations220196500.140 Why?
Bile120162990.140 Why?
Registries6202080950.140 Why?
Workload120218590.130 Why?
Kidney Transplantation2202041410.130 Why?
Triage120219280.130 Why?
Risk Factors132022708640.130 Why?
Athletes1202210460.130 Why?
Length of Stay4202162800.130 Why?
Continuity of Patient Care2201910480.130 Why?
Treatment Outcome102020623480.120 Why?
Faculty, Medical1202211630.120 Why?
Firearms220215520.120 Why?
Operating Rooms120208090.120 Why?
Tissue Donors2202021590.120 Why?
Homicide120162930.120 Why?
Pneumonectomy1202010770.120 Why?
Fatty Liver120197160.120 Why?
Postoperative Period1201818540.120 Why?
Organ Transplantation1202310770.120 Why?
Logistic Models42022136010.120 Why?
Hospitalization3202197540.120 Why?
Hospice Care120196180.120 Why?
Survival Rate52020132610.120 Why?
New York320218610.120 Why?
Massachusetts3202187490.110 Why?
Interprofessional Relations1201910200.110 Why?
Leg1201811390.110 Why?
Specialization120177920.110 Why?
Lymph Node Excision1201812000.110 Why?
Needs Assessment1201911510.110 Why?
Time Factors72021410950.110 Why?
Risk Adjustment120165880.110 Why?
Incidence32021206530.110 Why?
Carcinoma, Intraductal, Noninfiltrating120199160.110 Why?
Lymphocytes1202027480.110 Why?
Osteoarthritis, Knee1202212250.110 Why?
Referral and Consultation2202234730.100 Why?
Travel120177410.100 Why?
Leadership1202013430.100 Why?
Gastric Bypass120197440.100 Why?
Pancreatic Neoplasms3201750220.100 Why?
Antibiotic Prophylaxis120166310.100 Why?
Morbidity1201617060.100 Why?
Informed Consent120179580.100 Why?
Waiting Lists320207140.100 Why?
Patient Participation1202014770.100 Why?
Adenocarcinoma2201863700.100 Why?
Minority Groups1201710860.100 Why?
Hepatitis C1202015180.090 Why?
Violence120168940.090 Why?
Critical Illness2202025430.090 Why?
Laparoscopy2202019960.090 Why?
Delivery of Health Care, Integrated120189640.090 Why?
Consensus1201827550.090 Why?
Risk Assessment72020235420.090 Why?
Intraoperative Complications1201611880.090 Why?
Kidney Diseases1202021310.090 Why?
Pancreas1201616930.090 Why?
Medical Records Systems, Computerized1201512080.080 Why?
Neoplasm Staging22020112000.080 Why?
Mammography1201924750.080 Why?
Insurance Coverage2201718660.080 Why?
Neutrophils1202038160.080 Why?
Survivors1201721660.080 Why?
Multivariate Analysis22018124830.080 Why?
Patient-Centered Care1201714640.070 Why?
Socioeconomic Factors2201777340.070 Why?
Surgical Wound Infection1201615030.070 Why?
Patient Discharge1201930310.070 Why?
Critical Care1201924970.070 Why?
Communication1201935160.070 Why?
Odds Ratio1201899740.070 Why?
Prevalence22019148960.070 Why?
Mortality1201627960.070 Why?
Hospitals1201733720.060 Why?
Cell Proliferation12020108020.060 Why?
Reproducibility of Results22020195380.060 Why?
Patient Acceptance of Health Care1201729360.060 Why?
Biopsy3202067530.060 Why?
Follow-Up Studies42019393020.060 Why?
Severity of Illness Index22020160170.060 Why?
Medicare1202057870.060 Why?
Viscosupplements12022250.060 Why?
Stereotyped Behavior120221460.050 Why?
Pleurodesis12021410.050 Why?
Injections, Intra-Articular120222670.050 Why?
Relative Value Scales12021860.050 Why?
Cohort Studies52023398870.050 Why?
Prognosis52020292260.050 Why?
Blood Pressure1201685830.050 Why?
Internship and Residency1202056340.050 Why?
Cross-Sectional Studies42021234090.050 Why?
Quality of Life22019117600.050 Why?
Albumins120225670.050 Why?
Sensitivity and Specificity12015149030.040 Why?
Graft Survival2202037650.040 Why?
Algorithms12019137180.040 Why?
Longitudinal Studies32019136120.040 Why?
Hyaluronic Acid120225000.040 Why?
Organ Preservation120202800.040 Why?
Acetaminophen120225500.040 Why?
Efficiency120214910.040 Why?
Neurotoxins120182420.040 Why?
Dilatation120182660.040 Why?
Anti-Bacterial Agents1201670740.040 Why?
Predictive Value of Tests32020152710.040 Why?
Antacids120171020.040 Why?
Enzyme Replacement Therapy12017820.040 Why?
Platelet Count120207970.040 Why?
Botulinum Toxins120181870.040 Why?
Colectomy120226500.040 Why?
Sulbactam12016290.040 Why?
Cefoxitin12016300.040 Why?
Age Factors32019187980.040 Why?
Perfusion1202012760.040 Why?
Ampicillin120161460.040 Why?
Republic of Korea120185840.040 Why?
Leukocyte Count1202016690.040 Why?
Intensive Care Units2201934480.040 Why?
Anastomosis, Surgical120199510.040 Why?
Cefazolin12016970.040 Why?
Metronidazole120161810.030 Why?
Ambulatory Surgical Procedures120204530.030 Why?
Enterococcus faecalis120162550.030 Why?
Knowledge120161610.030 Why?
Language1202312600.030 Why?
Treatment Failure1202026780.030 Why?
Decision Making2201938480.030 Why?
Organizational Objectives120164350.030 Why?
Hysterectomy120209080.030 Why?
Respiratory Insufficiency1202211440.030 Why?
Professional-Patient Relations120197280.030 Why?
Comprehension120196050.030 Why?
Nutrition Surveys1201915720.030 Why?
Adrenal Cortex Hormones1202218500.030 Why?
Motivation1202219030.030 Why?
Comorbidity22017104510.030 Why?
Pain, Postoperative1202216330.030 Why?
Natural Language Processing120199590.030 Why?
Anti-Inflammatory Agents, Non-Steroidal1202222680.030 Why?
Congresses as Topic120167760.030 Why?
Down-Regulation1201830940.030 Why?
Linear Models1202159810.020 Why?
Pneumonia1202221020.020 Why?
Streptococcus pneumoniae120167750.020 Why?
Vascular Surgical Procedures1201914800.020 Why?
Hospitals, Pediatric1201917800.020 Why?
Microbial Sensitivity Tests1201619200.020 Why?
Acute Disease1202071770.020 Why?
Home Care Services120165980.020 Why?
Educational Status1201723400.020 Why?
Regression Analysis1201964810.020 Why?
Recurrence1202182820.020 Why?
Lymphatic Metastasis1201729750.020 Why?
Neoplasms12017205680.020 Why?
Pulmonary Embolism1202223970.020 Why?
Physician-Patient Relations1202233230.020 Why?
Health Care Costs1202231790.020 Why?
Sepsis1202224600.020 Why?
Drug Resistance, Bacterial1201611010.020 Why?
Psychometrics1201729710.020 Why?
Staphylococcus aureus1201614030.020 Why?
Perioperative Care1201610700.020 Why?
Disease-Free Survival1201870560.020 Why?
Antiviral Agents1202027970.020 Why?
Kaplan-Meier Estimate1201867780.020 Why?
Patient Care Team1201925950.020 Why?
Kidney Failure, Chronic1201925700.020 Why?
Analgesics, Opioid1202233850.020 Why?
Internet1201930820.020 Why?
Parents1201831740.020 Why?
Palliative Care1201932920.020 Why?
Attitude of Health Personnel1201939000.020 Why?
Pilot Projects1201780660.020 Why?
Stents1201633090.020 Why?
Prospective Studies22019512750.020 Why?
Escherichia coli1201643570.020 Why?
Child22019743870.010 Why?
Emergency Service, Hospital1202074970.010 Why?
Pregnancy12021273060.010 Why?
Infant, Newborn12018247420.010 Why?
Infant12018345740.010 Why?
Child, Preschool12018412210.010 Why?
Chang's Networks
Click the
Explore
buttons for more information and interactive visualizations!
Concepts (328)
Explore
_
Co-Authors (91)
Explore
_
Similar People (60)
Explore
_
Same Department 
Explore
_
© 2023 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.