Table A-4. Multiple Probit Analysis of Hospital Survival Within Broad Diagnostic Groupings.
| Neurologic | Cardiovascular | Respiratory | Gastrointestinal | |
|---|---|---|---|---|
|
|
||||
| Acute Physiology Score | .102 ** (5.35) |
.113 ** (6.39) |
.084 ** (2.97) |
.054 * (2.21) |
| Age over 40 (in years) | .031 * (2.53) |
.041 ** (3.48) |
.058 ** (2.83) |
.022 (1.39) |
| Sex (Female=1) | -.29 (.93) |
.47 (1.67) |
-.377 (.77) |
-.124 (.70) |
| Smoking History (yes=1) | 1.09 ** (3.10) |
.358 (1.29) |
.058 (.125) |
.39 (.79) |
| Drinking History (yes=1) | -.082 (.98) |
.234 (.572) |
-.38 (.52) |
-.06 (.12) |
| Preadmission Health and Operative Status1 | ||||
| Type B Post-Operative | -.436 (.92) |
-.347 (.53) |
1.42 (.006) |
5.62 (.0005) |
| Type C Post-Operative | -1.18 (1.10) |
-.89 (1.18) |
6.42 (.01) |
6.81 (.0006) |
| Type D Post-Operative | -.466 (.69) |
-.399 (.57) |
6.75 (.01) |
5.55 (.005) |
| Type A Non-Operative | .827 1.82 |
-.412 (.386) |
.145 (.01) |
5.40 (.0005) |
| Type B Non-Operative | -.068 (.13) |
.421 (.62) |
5.60 (.008) |
-.68 (.0001) |
| Type C Non-Operative | .032 (.048) |
-.12 (.17) |
4.27 (.006) |
5.02 (.0004) |
| Type D Non-Operative | .832 (1.36) |
1.147 (1.67) |
6.58 (.01) |
5.77 (.53) |
| Intercept | -2.98 ** (5.81) |
-4.05 ** (5.13) |
-9.47 (.015) |
-1.33 (.0) |
| Percent of Cases Correctly Classified | 90% | 90% | 87% | 85% |
| Death Rate | 14% | 24% | 19% | 27% |
| N | 195 | 234 | 79 | 55 |
Note: Asymptotic t-ratios are in parentheses: significance levels are approximate.
*
p<.05.
**
p<.01.
1
The reference group for preadmission health type is Type A Post-operative.