From: Comparison between pressure support ventilation and T-piece in spontaneous breathing trials
T-piece group (n = 473) | PSV group (n = 314) | p-value | |
---|---|---|---|
Age, years | 67 (57–75) | 67 (57–76) | 0.726 |
Male | 307 (64.9) | 209 (66.56) | 0.632 |
Body mass index, kg/m2 | 22.2 (19.7–25.3) | 22.7 (19.7–25.8) | 0.523 |
Comorbidities | |||
Chronic obstructive pulmonary disease | 33 (7.9) | 26 (9.5) | 0.448 |
Asthma | 8 (1.9) | 5 (1.3) | 0.941 |
Interstitial lung disease | 9 (2.2) | 10 (3.7) | 0.233 |
Heart failure: NYHA classes III–IV | 31 (7.4) | 37 (13.6) | 0.008 |
Chronic renal failure | 61 (14.6) | 45 (16.5) | 0.492 |
Liver cirrhosis: Child–Pugh Class C | 12 (2.9) | 9 (3.3) | 0.746 |
Solid/hematologic malignancy | 263 (62.8) | 169 (61.9) | 0.819 |
Myopathies/Neuropathies | 30 (7.2) | 36 (13.2) | 0.008 |
Dementia | 142 (30.0) | 90 (28.7) | 0.682 |
Major reason for MV | 0.069 | ||
Hypoxemic respiratory failure | 159 (33.6) | 101 (32.2) | |
Hypercapnic respiratory failure | 140 (29.6) | 69 (22.0) | |
Shock | 111 (23.5) | 89 (28.3) | |
Surgery | 5 (1.1) | 6 (1.9) | |
Othersa | 58 (12.3) | 49 (15.6) |