Table 1:
Comparison of the demographic characteristics of participants with and without pneumothorax
| Pneumothorax present (n = 8) | Pneumothorax absent (n = 99) | |
|---|---|---|
| Age (years) | 61 (53–63.5) | 60 (51–70) |
| Treatment duration (days) | 27.5 (16.5–39.0) | 10 (4–19) |
| Compliance | 33 (28.5–37.5) | 33 (27–37) |
| Peak pressure | 26.5 (24.5–30.0) | 27 (24–29) |
| Horowitz index | 140.5 (92.5–173) | 167 (121–209) |
| PEEP | 10 (9.5–10) | 9 (8–10) |
| Above-PEEP | 14 (14–20) | 17 (15–20) |
| Sex | ||
| Male | 8 (100.0) | 62 (62.6) |
| Female | 0 (0.0) | 37 (37.4) |
| Ventilation modes | ||
| CPAP | 1 (12.5) | 1 (1.0) |
| PCV | 4 (50.0) | 89 (89.9) |
| PRVC | 3 (37.5) | 2 (2.0) |
| PSV | 0 (0.0) | 2 (2.0) |
| SIMV | 0 (0.0) | 5 (5.1) |
| ECMO | ||
| Yes | 1 (12.5) | 2 (2.0) |
| No | 2 (87.5) | 97 (98.0) |
| Deaths | ||
| Yes | 4 (50.0) | 68 (68.7) |
| No | 4 (50.0) | 31 (31.3) |
| Tracheostomy | ||
| Yes | 3 (37.5) | 11 (11.1) |
| No | 5 (62.5) | 88 (88.9) |
| Comorbid disease | ||
| Yes | 6 (75.0) | 76 (76.8) |
| No | 2 (25.0) | 23 (23.2) |
Data are presented as median and interquartile range (25th–75th) or n (%).
CPAP: continuous positive airway pressure; ECMO: extracorporeal membrane oxygenation; PCV: pressure control ventilation; PEEP: positive end-expiratory pressure; PRVC: pressure regulated volume control: PSV: pressure support ventilation: SIMV: synchronized intermittent mandatory ventilation.