Table 1 Clinical characteristics of patients according to length of mechanical ventilation
Variables | Total (n = 141) | NPMV (n = 96) | PMV (n = 45) | p value |
|---|---|---|---|---|
Age (years) | 62 (56–66) | 60 (56–66) | 65 (57–69) | 0.041 |
Gender | Â | Â | Â | 0.066 |
 Male | 103 (73.0) | 75 (55.1) | 28 (62.2) |  |
 Female | 38 (27.0) | 21 (21.9) | 17 (37.8) |  |
Smoking history | Â | Â | Â | 0.231 |
 Never | 40 (28.4) | 24 (25.0) | 16 (35.6) |  |
 Ever | 101 (71.6) | 72 (75.0) | 29 (64.4) |  |
BMI | 21.5 (20.1–23.0) | 20.5 (17.9–22.2) | 22.7 (20.6–23.6) | 0.014 |
Pulmonary hypertension | 57 (40.4) | 32 (33.3) | 25 (55.5) | 0.010 |
Pretransplant diagnosis | Â | Â | Â | Â |
 LAM | 4 (2.9) | 4 (4.1) | 0 (0) | 0.320 |
 COPD | 37 (26.2) | 28 (29.2) | 9 (20.0) | 0.385 |
 IPF | 56 (39.7) | 29 (30.2) | 27 (60.0) | 0.003 |
 ILD | 23 (16.9) | 18 (18.8) | 5 (12.5) | 0.076 |
 Bronchiectasis | 7 (5.1) | 6 (6.3) | 1 (2.5) | 0.365 |
 Pneumoconiosis | 11 (10.6) | 8 (8.3) | 3 (7.5) | 0.723 |
 Others | 3 (2.1) | 3 (3.9) | 0 (0) | 0.320 |
Cardiac Comorbidities | Â | Â | Â | Â |
 Arterial hypertension | 25 (17.7) | 15 (15.6) | 10 (22.2) | 0.170 |
 Mild to moderate coronary artery disease | 27 (19.1) | 20 (20.8) | 7 (15.5) | 0.215 |
 Heart failure | 16 (11.3) | 9 (9.3) | 7 (15.6) | 0.118 |
 Atrial fibrillation | 9 (6.4) | 7 (7.3) | 2 (4.4) | 0.247 |
Type of transplant | Â | Â | Â | 0.858 |
 Unilateral | 77 (54.6) | 53 (55.2) | 24 (53.3) |  |
 Bilateral | 64 (45.4) | 43 (44.8) | 21 (46.7) |  |
Length of MV (hours) | 49 (36–81) | 38 (12–54) | 94 (78–120) |  < 0.001 |
CIT (hours) | 7.0 (5.7–8.6) | 4.0 (3.7–6.5) | 8.5 (7.6–10.0) |  < 0.001 |