Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Properties of the Composite Measure
| Correlation of Individual Components With the Overall Composite Score | Pearson Correlation Coefficient |
|---|---|
| Operative mortality | 0.87 |
| Major complications | 0.70 |
| Length of stay | 0.47 |
| Signal-to-Noise Ratio | Reliability |
| Composite measure | 0.73 |
| Mortality alone | 0.59 |
