Table 2.
In-hospital outcomes before and after propensity score matching
| Before matching | After matching | |||||||
| Statin (+) | Statin (−) | P value | Standardised difference | Statin (+) | Statin (−) | P value | Standardised difference | |
| n=1065 | n=1523 | n=936 | n=936 | |||||
| All-cause mortality, n (%) | 27 (2.5) | 43 (2.8) | 0.66 | 0.02 | 20 (2.1) | 23 (2.5) | 0.64 | 0.02 |
| Acute kidney injury, n (%) | 111 (10.4) | 178 (11.7) | 0.31 | 0.04 | 96 (10.3) | 105 (11.2) | 0.50 | 0.03 |
| Stroke, n (%) | 27 (2.5) | 34 (2.2) | 0.62 | 0.02 | 24 (2.6) | 19 (2.0) | 0.44 | 0.04 |
| Vascular complication, n (%) | 105 (9.9) | 128 (8.4) | 0.21 | 0.05 | 90 (9.6) | 78 (8.3) | 0.33 | 0.05 |
| Postprocedural echocardiographic data | ||||||||
| Effective orifice area, cm2 | 1.67±0.45 | 1.69±0.45 | 0.53 | 0.03 | 1.68±0.44 | 1.66±0.43 | 0.34 | 0.04 |
| Indexed effective orifice area, cm2/m2 | 1.17±0.32 | 1.20±0.31 | 0.02 | 0.10 | 1.18±0.32 | 1.18±0.30 | 0.99 | <0.01 |
| Mean aortic gradient, mm Hg | 11.0±4.4 | 10.6±4.7 | 0.08 | 0.07 | 11.0±4.4 | 11.0±4.9 | 0.92 | <0.01 |
| Peak velocity, m/s | 2.3±0.4 | 2.2±0.5 | 0.10 | 0.07 | 2.3±0.5 | 2.3±0.5 | 0.98 | <0.01 |
| Moderate or severe aortic regurgitation, n (%) | 18 (1.7) | 31 (2.1) | 0.51 | 0.03 | 17 (1.8) | 20 (2.2) | 0.61 | 0.02 |
| Moderate or severe mitral regurgitation, n (%) | 59 (5.6) | 100 (6.6) | 0.27 | 0.04 | 45 (4.8) | 51 (5.5) | 0.52 | 0.03 |