Harvard Catalyst Profiles

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

David C Chang, Ph.D.

Concepts (324)

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 Competency220222881.180 Why?
Surgical Procedures, Operative6202118731.090 Why?
Aortic Aneurysm, Abdominal6202311810.990 Why?
Blood Vessel Prosthesis Implantation5202313840.880 Why?
Hospitals, Private12021630.780 Why?
SEER Program5202115070.750 Why?
Specialties, Surgical420213890.750 Why?
Liver Transplantation6202121170.740 Why?
General Surgery4201916330.710 Why?
Professional Practice Location12020590.710 Why?
Quality Improvement7202237380.650 Why?
Pancreatectomy320188020.630 Why?
Emergency Medical Services2202119140.630 Why?
Wounds and Injuries3202124000.620 Why?
United States Department of Veterans Affairs120228740.600 Why?
Emigrants and Immigrants220215190.600 Why?
Patient Readmission6202331110.570 Why?
Healthcare Disparities4202131510.560 Why?
Hospitals, General120207490.550 Why?
Water1202213880.540 Why?
Digestive System Surgical Procedures120215760.540 Why?
Pancreatic Diseases220173500.530 Why?
Limb Salvage120184330.520 Why?
Law Enforcement120161090.500 Why?
Peripheral Vascular Diseases120185500.490 Why?
Carcinoma, Ductal, Breast2201911010.490 Why?
Biomedical Research2202133060.480 Why?
Hospitals, Teaching2202011790.470 Why?
Breast Neoplasms62023207740.470 Why?
Choice Behavior120208020.470 Why?
Medicine120229410.470 Why?
Health Services Accessibility5201951330.460 Why?
Colorectal Neoplasms3202267540.450 Why?
Laparotomy120154740.450 Why?
Endovascular Procedures4202319730.440 Why?
Carcinoma in Situ120198020.440 Why?
Medicaid3202127160.440 Why?
Hepatectomy420215500.430 Why?
Accidents, Traffic120188190.430 Why?
Delivery of Health Care2202253040.420 Why?
Health Resources120189110.410 Why?
Employment4202111240.400 Why?
Transurethral Resection of Prostate22023830.390 Why?
Data Interpretation, Statistical2201927140.390 Why?
Postoperative Complications112023152440.390 Why?
Residence Characteristics1202120490.390 Why?
Carcinoma, Hepatocellular2202122110.390 Why?
Urinary Retention220231100.390 Why?
California5201814000.390 Why?
Humans9420237420880.380 Why?
Health Services Research1201918340.380 Why?
Physicians, Women320224870.380 Why?
Liver Neoplasms3202142490.370 Why?
Health Services Needs and Demand1201814110.360 Why?
Pancreaticoduodenectomy320185030.350 Why?
United States272023696930.350 Why?
Gastrectomy320196520.350 Why?
Clinical Competence5202246810.340 Why?
Quality Indicators, Health Care2201718310.340 Why?
Breast1201819580.340 Why?
Diagnostic Tests, Routine120157830.330 Why?
Venous Thromboembolism1202116680.330 Why?
New York City220217060.320 Why?
Early Detection of Cancer1202230700.310 Why?
Prostatic Hyperplasia220235220.310 Why?
Inpatients1201924950.310 Why?
Perioperative Period220192560.300 Why?
Databases, Factual6201977160.280 Why?
Liver Cirrhosis4202118640.280 Why?
Anticoagulants1202145950.270 Why?
Bariatric Surgery320209400.270 Why?
Retrospective Studies302023770980.260 Why?
Sample Size220198440.260 Why?
Aged3620231629440.260 Why?
Middle Aged3820222131270.250 Why?
Female5420233795920.250 Why?
End Stage Liver Disease220203140.250 Why?
Health Policy1201726570.240 Why?
Quality Assurance, Health Care1201522110.240 Why?
Research Design2201959790.230 Why?
Emergencies4201911640.230 Why?
Male4920233495380.230 Why?
Randomized Controlled Trials as Topic2201999410.220 Why?
Hospital Mortality6201953100.220 Why?
Health Literacy220194140.220 Why?
Pandemics2202383280.210 Why?
Age Distribution2201829000.210 Why?
Advance Care Planning220196600.200 Why?
Injury Severity Score2202110130.200 Why?
Parental Leave12021780.190 Why?
Colectomy320226810.180 Why?
Lung Neoplasms22022130190.180 Why?
New York520218860.180 Why?
Diverticulitis120221690.180 Why?
Patient Education as Topic3201922750.170 Why?
Diagnosis-Related Groups120214540.170 Why?
Adult2620232137120.170 Why?
Practice Guidelines as Topic4202272760.170 Why?
Academic Medical Centers2202227490.170 Why?
Medical Futility120201260.170 Why?
Mass Screening1201552380.170 Why?
Lost to Follow-Up120191050.170 Why?
Insurance, Health4202024930.170 Why?
Laparoscopy3202021210.160 Why?
Trauma Centers220218890.160 Why?
Proxy120191440.160 Why?
Organizational Culture120225100.160 Why?
Adolescent112021856490.160 Why?
Centralized Hospital Services12018180.160 Why?
Thoracotomy120203630.160 Why?
Stomach Neoplasms2201813270.160 Why?
Emigration and Immigration120214030.160 Why?
Diabetes Mellitus, Type 222019116950.160 Why?
Insurance120191110.160 Why?
Donor Selection120202010.160 Why?
Brain Neoplasms1201988290.160 Why?
Hypophosphatemia12018850.160 Why?
Wounds, Penetrating120203070.160 Why?
Pelvic Pain120202730.160 Why?
Esophageal Achalasia12018910.150 Why?
Pancreatic Fistula120181450.150 Why?
Young Adult102021563500.150 Why?
Pneumothorax120213790.150 Why?
Taiwan120194960.150 Why?
Postoperative Hemorrhage120214090.150 Why?
Treatment Outcome142023629660.150 Why?
Diverticulitis, Colonic120191270.150 Why?
Renal Artery120193980.150 Why?
Health Care Reform2201712610.150 Why?
Reoperation4202042000.150 Why?
Transportation of Patients120181850.150 Why?
Circumcision, Male120181500.150 Why?
Liver Failure120192400.140 Why?
Colorectal Surgery120191290.140 Why?
Risk Factors152023721450.140 Why?
Aged, 80 and over102022576830.140 Why?
Aorta, Abdominal120196450.140 Why?
Emergency Treatment120205170.140 Why?
Biliary Tract Surgical Procedures12016470.140 Why?
Liver4202074700.130 Why?
Resuscitation120206570.130 Why?
Adrenalectomy120173420.130 Why?
Patient Preference220198860.130 Why?
Registries6202080770.130 Why?
Wounds, Gunshot120215620.130 Why?
Bile120162960.130 Why?
Vulnerable Populations220196850.130 Why?
Phosphates120187860.130 Why?
Workload120218490.130 Why?
Patients120218920.130 Why?
Triage120219770.120 Why?
Athletes1202210920.120 Why?
Obesity, Morbid3201912040.120 Why?
Length of Stay4202162940.120 Why?
Kidney Transplantation2202042460.120 Why?
Continuity of Patient Care2201910480.120 Why?
Faculty, Medical1202211820.120 Why?
Pneumonectomy1202010930.120 Why?
Operating Rooms120208130.120 Why?
Tissue Donors2202022050.110 Why?
Survival Rate52020127730.110 Why?
Homicide120162870.110 Why?
Postoperative Period1201818390.110 Why?
Firearms220215970.110 Why?
Fatty Liver120197280.110 Why?
Hospitalization32021102320.110 Why?
Massachusetts3202186620.110 Why?
Logistic Models42021134030.110 Why?
Time Factors72021400540.110 Why?
Leg1201811100.110 Why?
Interprofessional Relations1201910080.110 Why?
Organ Transplantation1202311350.110 Why?
Needs Assessment1201911460.110 Why?
Specialization120177770.110 Why?
Risk Adjustment120165940.110 Why?
Hospice Care120196710.110 Why?
Lymph Node Excision1201812480.110 Why?
Incidence32021209280.100 Why?
Lymphocytes1202026140.100 Why?
Carcinoma, Intraductal, Noninfiltrating120199470.100 Why?
Osteoarthritis, Knee1202212220.100 Why?
Travel120177880.100 Why?
Leadership1202013570.100 Why?
Antibiotic Prophylaxis120166380.100 Why?
Arthroplasty, Replacement, Knee1202214570.090 Why?
Pancreatic Neoplasms3201752490.090 Why?
Patient Participation1202014450.090 Why?
Morbidity1201617670.090 Why?
Gastric Bypass120198120.090 Why?
Informed Consent120179910.090 Why?
Waiting Lists320206920.090 Why?
Adenocarcinoma2201863470.090 Why?
Violence120169080.090 Why?
Delivery of Health Care, Integrated120189410.090 Why?
Risk Assessment72020233200.090 Why?
Hepatitis C1202015820.090 Why?
Critical Illness2202026650.090 Why?
Minority Groups1201712150.090 Why?
Intraoperative Complications1201611880.080 Why?
Consensus1201829350.080 Why?
Pancreas1201616840.080 Why?
Kidney Diseases1202021450.080 Why?
Neoplasm Staging22020110010.080 Why?
Medical Records Systems, Computerized1201512040.080 Why?
Referral and Consultation1202135270.080 Why?
Mammography1201924740.080 Why?
Insurance Coverage2201718950.080 Why?
Neutrophils1202037110.080 Why?
Multivariate Analysis22018122420.070 Why?
Survivors1201722860.070 Why?
Patient-Centered Care1201714360.070 Why?
Surgical Wound Infection1201615380.070 Why?
Socioeconomic Factors2201777700.070 Why?
Critical Care1201926400.070 Why?
Patient Discharge1201933000.070 Why?
Anastomosis, Surgical220199850.070 Why?
Odds Ratio1201898460.060 Why?
Communication1201937280.060 Why?
Prevalence22019151940.060 Why?
Mortality1201628570.060 Why?
Cell Proliferation12020104720.060 Why?
Patient Acceptance of Health Care1201730140.060 Why?
Biopsy3202067560.060 Why?
Reproducibility of Results22020198620.060 Why?
Hospitals1201739370.060 Why?
Severity of Illness Index22020155300.060 Why?
Follow-Up Studies42019390040.060 Why?
Viscosupplements12022230.050 Why?
Medicare1202065320.050 Why?
Stereotyped Behavior120221360.050 Why?
Pleurodesis12021410.050 Why?
Blood Pressure1201685410.050 Why?
Injections, Intra-Articular120222780.050 Why?
Prognosis52020290100.050 Why?
Cohort Studies52023404500.050 Why?
Relative Value Scales12021840.050 Why?
Internship and Residency1202057740.050 Why?
Colon, Sigmoid120201180.040 Why?
Cross-Sectional Studies42021249130.040 Why?
Quality of Life22019127300.040 Why?
Sensitivity and Specificity12015147200.040 Why?
Albumins120225680.040 Why?
Graft Survival2202037330.040 Why?
Acute Disease2202071410.040 Why?
Algorithms12019138530.040 Why?
Hyaluronic Acid120224890.040 Why?
Longitudinal Studies32019139210.040 Why?
Efficiency120214620.040 Why?
Organ Preservation120203240.040 Why?
Acetaminophen120225440.040 Why?
Predictive Value of Tests32020150560.040 Why?
Anti-Bacterial Agents1201671530.040 Why?
Neurotoxins120182370.040 Why?
Dilatation120182860.040 Why?
Platelet Count120207800.040 Why?
Antacids12017990.040 Why?
Enzyme Replacement Therapy12017780.040 Why?
Age Factors32019183550.040 Why?
Botulinum Toxins120181920.040 Why?
Sulbactam12016260.040 Why?
Republic of Korea120185380.040 Why?
Cefoxitin12016360.040 Why?
Ampicillin120161380.030 Why?
Leukocyte Count1202015830.030 Why?
Perfusion1202013590.030 Why?
Intensive Care Units2201936790.030 Why?
Cefazolin12016960.030 Why?
Ambulatory Surgical Procedures120204540.030 Why?
Metronidazole120162170.030 Why?
Enterococcus faecalis120162510.030 Why?
Treatment Failure1202026150.030 Why?
Knowledge120161790.030 Why?
Decision Making2201938690.030 Why?
Organizational Objectives120164380.030 Why?
Hysterectomy120209270.030 Why?
Professional-Patient Relations120197360.030 Why?
Language1202314580.030 Why?
Comprehension120196080.030 Why?
Respiratory Insufficiency1202211990.030 Why?
Adrenal Cortex Hormones1202218470.030 Why?
Nutrition Surveys1201916560.030 Why?
Comorbidity22017103720.030 Why?
Anti-Inflammatory Agents, Non-Steroidal1202222760.030 Why?
Natural Language Processing1201910350.020 Why?
Congresses as Topic120167640.020 Why?
Down-Regulation1201830010.020 Why?
Streptococcus pneumoniae120167120.020 Why?
Linear Models1202159480.020 Why?
Vascular Surgical Procedures1201914730.020 Why?
Hospitals, Pediatric1201917600.020 Why?
Microbial Sensitivity Tests1201618710.020 Why?
Pneumonia1202221170.020 Why?
Home Care Services120166020.020 Why?
Lymphatic Metastasis1201729060.020 Why?
Regression Analysis1201964520.020 Why?
Recurrence1202183330.020 Why?
Educational Status1201725330.020 Why?
Pulmonary Embolism1202223700.020 Why?
Neoplasms12017215960.020 Why?
Health Care Costs1202232030.020 Why?
Drug Resistance, Bacterial1201610320.020 Why?
Perioperative Care120169970.020 Why?
Psychometrics1201729990.020 Why?
Disease-Free Survival1201868910.020 Why?
Staphylococcus aureus1201614490.020 Why?
Sepsis1202225890.020 Why?
Kaplan-Meier Estimate1201865340.020 Why?
Patient Care Team1201925270.020 Why?
Antiviral Agents1202029780.020 Why?
Kidney Failure, Chronic1201925360.020 Why?
Internet1201930620.020 Why?
Attitude of Health Personnel1201938390.020 Why?
Parents1201833870.020 Why?
Palliative Care1201934780.020 Why?
Pilot Projects1201782970.010 Why?
Stents1201632760.010 Why?
Escherichia coli1201642140.010 Why?
Prospective Studies22019531870.010 Why?
Child22019774780.010 Why?
Emergency Service, Hospital1202076450.010 Why?
Pregnancy12021290870.010 Why?
Infant, Newborn12018255750.010 Why?
Infant12018350700.010 Why?
Child, Preschool12018409550.010 Why?
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Concepts (324)
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Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.