Table 1.
Characteristics of the chronic pulmonary obstructive disease cohorta
| Characteristics | Complete follow-up (N = 31) |
Dead or lost to complete follow-up, (N = 20) |
|---|---|---|
| Males/females | 12/19 | 6/14 |
| Mean age, years (± SD) | 69.7 (8.7) | 70.7 (9.0) |
| APACHE II score, mean (± SD) | 19.5 (6.7) | 21.4 (8.2) |
| Charlson comorbidity index, mean (± SD) |
3.7 (2.0) | 4.2 (1.9) |
| Number of patients with invasive ventilator treatment (%) | 13 (42%) | 8 (40%) |
| Days in ICU, median (IQR) | 2.2 (1.3 to 4.6) | 2.0 (1.8 to 9.4) |
| Days in hospital, median (IQR) | 10 (5 to 15) | 13 (6.5 to 21) |
aAPACHE II, Acute Physiology and Chronic Health Evaluation II; IQR, interquartile range.