Table 3.
Charlson Comorbidity Index and comorbid conditions of patients receiving prolonged mechanical ventilation
| Comorbidities | Total (%) | Not weaned (%) | Weaned (%) | P value |
|---|---|---|---|---|
| CCI | 5.4 ± 2.8 | 5.9 ± 3.0 | 4.8 ± 2.4 | .15 |
| Renal failure/hemodialysis | 12 (23.1) | 7 (10.4) | 5 (10.4) | |
| Cirrhosis | 4 (7.7) | 3 (4.5) | 1 (2.1) | |
| HIV/infectious | 6 (11.5) | 2 (3.0) | 4 (8.3) | |
| Cardiac | 26 (50.0) | 16 (23.9) | 10 (20.8) | |
| Severe malnutrition | 24 (46.2) | 14 (20.9) | 10 (20.8) | NS |
| Morbid obesity | 15 (28.9) | 10 (14.9) | 5 (10.4) | |
| Cancer | 7 (13.5) | 5 (7.5) | 2 (4.2) | |
| Organ transplant | 1 (1.9) | 0 | 1 (2.1) | |
| COPD/asthma/obstructive lung disease | 20 (38.5) | 10 (14.9) | 10 (20.8) | |
| No. of comorbidities per patient | No. patients (%) | Not weaned (%) | Weaned (%) | P value |
| 0 | 2 (3.8) | 0 | 2 (8.0) | |
| 1 | 16 (30.8) | 7 (25.9) | 9 (36.0) | |
| 2 | 16 (30.8) | 8 (29.6) | 8 (32.0) | NS |
| 3 | 10 (19.2) | 7 (25.9) | 3 (12.0) | |
| 4 | 3 (5.8) | 2 (7.4) | 1 (4.0) | |
| 5 | 5 (9.6) | 3 (11.1) | 2 (8.0) | |
CCI, Charlson Comorbidity Index; COPD, chronic obstructive pulmonary disease; HIV, human immunodeficiency virus; NS, not significant.