Table 3.
Hemodynamic variables before SBT. Data are medians (quartiles) and means (standard deviations)
| Failed weaning (n = 23) | Successful weaning (n = 41) | p value | |
|---|---|---|---|
| TFC (kΩ−1) | |||
| Non-cardiac patients | 47 (34, 55) | 48 (39, 59.8) | 0.43 |
| Cardiac patients | 74.7 (24.2) | 42.3 (7.8) | 0.007* |
| Balance in the day before SBT (mL) | |||
| Non-cardiac patients | 209 (1252) | 109 (816) | 0.089 |
| Cardiac patients | 225 (879) | - 164 (1145) | 0.610 |
| Balance in the day of SBT (mL) | |||
| Non-cardiac patients | - 327 (677) | - 136 (806) | 0.508 |
| Cardiac patients | - 132 (830) | - 453 (708) | 0.74 |
| Central venous pressure (cmH2O) | |||
| Non-cardiac patients | 8.7 (3.4) | 8.9 (3.2) | 0.88 |
| Cardiac patients | 10.3 (2.1) | 8.2(2.4) | 0.09 |
| Systolic blood pressure (mmHg) | |||
| Non-cardiac patients | 127.3 (16.8) | 129.3 (14.5) | 0.71 |
| Cardiac patients | 122.3 (18.4) | 125.6 (19.1) | 0.71 |
| Heart rate (beat/minute) | |||
| Non-cardiac patient | 94.8 (11.3) | 98.9 (21.4) | 0.44 |
| Cardiac patients | 97.1 (16.5) | 90 (23.2) | 0.48 |
TFC thoracic fluid content, SBT spontaneous breathing trial
*Denotes statistical significance