Surgical mortality, hospital quality, and small sample size.
Brezis
Mayer
M
Oren
Avraham
A
D017052:Hospital Mortality; D006761:Hospitals / Q000592:standards* / Q000706:statistics & numerical data; D006801:Humans; D019984:Quality Indicators, Health Care; D012016:Reference Values; D018401:Sample Size; D012494:Sampling Studies; D013514:Surgical Procedures, Operative / Q000401:mortality*; D014481:United States / Q000453:epidemiology