Table 2.

The ventilator variables according to the presence or absence of pneumothorax

Variables	No pneumothorax	Pneumothorax	p
Ventilatory pressure, cmH2O, or volume
positive end-expiratory pressure	7.94 ± 4.38	8.2 ± 2.0	0.54
peak inspiratory pressure	34.78 ± 6.80	33.8 ± 3.76	0.73
mean airway pressure	18.75 ± 4.89	20.8 ± 1.78	0.17
tidal volume, ml	761.02 ± 128.87	733.8 ± 154.0	0.43
tidal volume/kg, ml	12.32 ± 2.71	12.54 ± 3.34	0.97
Minute ventilation, l (on ICU admission)	10.40 ± 3.00	11.38 ± 2.84	0.34
Minute ventilation, l (during hospitalization)	15.33 ± 4.68	12.93 ± 4.10	0.26

Data are presented as mean ± standard deviation.