Intensive care data and length of stay of intubated and non-intubated COPD admissions during the study period
| Intubated | Non-intubated | p value | |
|---|---|---|---|
| FEV1=forced expiratory volume in 1 second; FVC=forced vital capacity; Pao2, Paco2=arterial oxygen and carbon dioxide tension. | |||
| Age (years) | 65.5 (9.0) (n=63) | 65 (8.8) (n=11) | 0.9 |
| APACHE II | 22.7 (7.6) (n=63) | 18.9 (4.0) (n=11) | 0.1 |
| Paco2(kPa) | 12.2 (3.1) (n=57) | 11.1 (2.6) (n=11) | 0.3 |
| pH | 7.13 (0.13) (n=54) | 7.14 (0.09) (n=10) | 0.9 |
| Pao2(kPa) | 13.0 (10.4) (n=57) | 11.2 (4.4) (n=11) | 0.6 |
| Fio2 | 0.37 (0.14) (n=54) | 0.39 (0.12) (n=10) | 0.7 |
| FEV1 (l) | 0.70 (0.28) (n=51) | 0.96 (0.55) (n=9) | 0.05* |
| FVC (l) | 1.58 (0.65) (n=50) | 1.95 (0.84) (n=9) | 0.1 |
| ICU stay (days) | 3.9 (3.2) (n=63) | 1.6 (1.2) (n=11) | 0.03* |
| Hospital stay (days) | 16.8 (13.3) (n=63) | 11.4 (4.2) (n=11) | 0.2 |