Table 1 Demographic and clinical variables pre- and post- propensity score matching
Before matching | After matching | |||||
|---|---|---|---|---|---|---|
Early extubation (n = 14) | Unmatched controls (n = 96) | SMD | Early extubation (n = 14) | Matched controls (n = 28) | SMD | |
Age (y) | 2.52 ± 2.07 | 3.55 ± 11.26 | 0.128 | 2.52 ± 2.07 | 2.68 ± 2.70 | 0.066 |
Weight (kg) | 12.71 ± 4.05 | 12.64 ± 7.52 | 0.012 | 12.71 ± 4.05 | 13.74 ± 8.07 | 0.118 |
Male | 3 (21.4%) | 40 (41.7%) | 0.452 | 3 (21.4%) | 4 (14.3%) | 0.187 |
MAPCAs | 5 (35.7%) | 48 (50%) | 0.292 | 5 (35.7%) | 12 (42.9%) | 0.097 |
McGoon Index | 1.75 ± 0.31 | 1.56 ± 0.38 | 0.534 | 1.75 ± 0.31 | 1.71 ± 0.45 | 0.105 |
Previous sternotomy | 7 (50%) | 40 (41.7%) | 0.179 | 7 (50%) | 13 (46.4%) | 0.072 |
CPB time (min) | 137 ± 39 | 160 ± 70 | 0.398 | 137 ± 39 | 137 ± 45 | 0.011 |
ACC time (min) | 74 ± 28 | 87 ± 37 | 0.387 | 74 ± 28 | 73 ± 31 | 0.055 |
Perioperative VISmax | 11.7 ± 4.1 | 13.0 ± 7.7 | 0.214 | 11.7 ± 4.1 | 11.5 ± 4.8 | 0.032 |
DSC | 0 (0%) | 2 (2.1%) | 0.208 | 0 (0%) | 0 (0%) | – |
Fluid balance at 72 h postoperatively (mL) | − 336 ± 389 | − 619 ± 780 | 0.460 | −336 ± 389 | − 343 ± 501 | 0.017 |
RV/LV pressure ratio | 0.49 ± 0.09 | 0.50±0.14 | 0.011 | 0.49 ± 0.09 | 0.50±0.17 | 0.119 |