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Attributable mortality rate in VAP patients according to APACHE II score system
| APACHE II score | Frequency (%) | Mortality Rate | Standard Mortality Rate | Attributable Mortality Rate |
|---|---|---|---|---|
| 0–15 | 58 (58%) | 26(44.8%) | 10% | 34.8% |
| 16–19 | 25 (25%) | 13(52%) | 15% | 37% |
| 20–30 | 17 (17%) | 12(70.6%) | 35% | 35.6% |
| >30 | 0 (0%) | - | 75% | - |
