Table 3.
Survival Rates of Patients Receiving Prolonged Mechanical Ventilation and Maintenance Dialysis at Each Survival Time Stratified by Prognostic Factors
| Variable | No. of patients | Survival % |
Life expectancy days (95% CI) | |||
|---|---|---|---|---|---|---|
| Greater than one month, % | Greater than three months, % | Greater than six months, % | Greater than one year, % | |||
| All | 1035 | 67.6 | 40.8 | 24.1 | 12.6 | 265 (249–281) |
| Gender | ||||||
| Female | 545 | 67.9 | 44.4 | 27.4 | 15.3 | 371 (343–397) |
| Male | 490 | 67.3 | 36.9 | 20.5 | 9.6 | 152 (137–175) |
| Age (years) | ||||||
| ≤60 | 218 | 65.9 | 46.3 | 30.6 | 18.6 | 454 (396–503) |
| 61–70 | 278 | 70.0 | 41.8 | 26.6 | 14.5 | 278 (245–312) |
| 71–80 | 392 | 68.3 | 38.4 | 19.9 | 9.9 | 152 (134–168) |
| >80 | 147 | 63.9 | 37.5 | 20.9 | 8.0 | 126 (104–150) |
| Hospital size | ||||||
| Medical center | 440 | 66.9 | 43.2 | 27.4 | 17.2 | 409 (362–452) |
| Nonmedical center | 595 | 68.2 | 39.1 | 21.8 | 9.5 | 147 (133–163) |
| Chronic comorbidities | ||||||
| Cancer | ||||||
| No | 974 | 68.7 | 42.0 | 24.8 | 12.8 | 261 (242–279) |
| Yes | 61 | 49.8 | 21.8 | 12.3 | 10.1 | 112 (80–139) |
| Cirrhosis | ||||||
| No | 1009 | 67.7 | 41.2 | 24.4 | 12.9 | |
| Yes | 26 | 65.4 | 24.5 | 9.8 | 0 | |
| Hydrocephalus | ||||||
| No | 1009 | 68.0 | 41.0 | 24.3 | 12.8 | |
| Yes | 26 | 53.9 | 34.6 | 18.3 | 4.6 | |
| Acute comorbidities | ||||||
| Septicemia | ||||||
| No | 716 | 73.2 | 47.5 | 28.8 | 15.4 | 357 (332–388) |
| Yes | 319 | 55.1 | 26.0 | 13.7 | 6.3 | 90 (79–104) |
| Shock | ||||||
| No | 845 | 70.8 | 44.2 | 26.4 | 13.8 | 299 (281–317) |
| Yes | 190 | 53.7 | 26.2 | 14.2 | 7.4 | 108 (85–131) |
| Device complications | ||||||
| No | 971 | 68.0 | 41.5 | 24.9 | 13.2 | 298 (275–315) |
| Yes | 64 | 62.3 | 30.7 | 10.9 | 3.6 | 81 (62–98) |
| Peritonitis | ||||||
| No | 1003 | 68.0 | 41.5 | 24.7 | 12.9 | |
| Yes | 32 | 56.3 | 18.8 | 6.3 | 3.1 | |
| Gangrene | ||||||
| No | 1024 | 67.9 | 41.0 | 24.2 | 12.8 | |
| Yes | 11 | 45.5 | 27.3 | 18.2 | 0 | |