Table 1 Patient characteristics
From: Diaphragm ultrasound as a new index of discontinuation from mechanical ventilation
All (n = 46) | Success (n = 29) | Failure (n = 17) | p value | |
|---|---|---|---|---|
Age | 64.6 (12.1) | 64.3 (13.7) | 65.8 (10) | 0.72 |
Male/female | 34/12 | |||
BMI | 23 [22 to 27] | 24 [22 to 27] | 23 [20 to 26] | 0.66 |
SAPS II | 34 [33 to 39] | 33 [29 to 45] | 36 [33 to 43] | 0.12 |
D TLC | 0.34 [0.26 to 0.44] | 0.38 [0.29 to 0.45] | 0.30 [0.20 to 0.40] | 0.08 |
D RV | 0.24 [0.17 to 0.30] | 0.25 [0.19 to 0.28] | 0.24 [0.17 to 0.30] | 0.81 |
DTF | 0.38 [0.29 to 0.44] | 0.56 [0.38 to 0.64] | 0.26 [0.22 to 0.30] | <0.0001 |
RSBI | 85 [65 to 112] | 70 [57 to 83] | 120 [110 to 148] | <0.0001 |
RR | 28 [18 to 58] | 27 [18 to 32] | 31 [24 to 58] | 0.001 |
PImax | 67.5 (23.9) | 82.9 (13.6) | 41.2 (11.2) | <0.0001 |
Vte | 340 [290 to 380] | 360 [260 to 700] | 280 [210 to 500] | 0.007 |
HDU length of stay | 15 [11 to 23] | 15 [11 to 19] | 22 [15 to 28] | 0.02 |
Duration of ventilatory treatment | 28 [22 to 37] | 26 [19 to 30] | 37 [28 to 45] | 0.011 |
Mortality | 3 | 1 | 2 |