From: Handgrip strength to predict extubation outcome: a prospective multicenter trial
Variables | First weaning trial | p | |
---|---|---|---|
Success (n = 171) | Failure (n = 60) | ||
Age (y) | 64 [52–74] | 68 [58–77] | 0.01 |
BMI (kg/m2) | 28.2 [22.8–33] | 27.9 [23.8–33.9] | 0.89 |
Gender (M/F) | 103/69 | 36/25 | 0.90 |
SAPS II | 52 [40–65] | 54 [45–72] | 0.16 |
Sepsis n (%) | 95 (55.2) | 44 (72.1) | 0.021 |
Baseline respiratory disease n (%) | 50 (29.1) | 24 (39.3) | 0.14 |
Baseline cardiac disease n (%) | 57 (33.1) | 31 (50.8) | 0.015 |
MRC score | 47 [37–55] | 43 [33–52] | 0.028 |
MRC score subgroup n (%) | 0.19 | ||
 < 36 | 37 (21.6) | 18 (30) |  |
 36–47 | 49 (28.5) | 20 (33.3) |  |
 ≥ 48 | 85 (49.7) | 22 (36.7) |  |
Handgrip strength (kg) | 12 [5–18] | 8.5 [2.5–16] | 0.057 |
Dominant arm abduction subgroup n (%) | 0.47 | ||
 0° | 11 (6.4) | 6 (10) |  |
 0–45° | 58 (33.9) | 23 (38.3) |  |
 45–90° | 102 (59.7) | 31 (51.7) |  |
Maximal inspiratory pressure (cmH2O) | 30 [17, 20–41] | 27 [16–37] | 0.41 |
Peak expiratory cough flow (L/min) | 62 [47–80] | 55 [31–69] | 0.006 |