Population covariate comparison (pre-match and post-match)
| Covariate | Total study population | After propensity match | ||||
| Mynx VCD | Alternate VCD | Std. Diff. | Mynx VCD | Alternate VCD | Std. Diff. | |
| (n=109,857) | (n=925,355) | (n=109,857) | (n=109,857) | |||
| Age (years) | 65.19±11.90 | 64.95±12.09 | 0.0200 | 65.19±11.90 | 65.22±11.89 | 0.0026 |
| Female gender | 34.12% | 30.49% | 0.0777 | 34.12% | 34.47% | 0.0072 |
| Body mass index (kg/m2) | ||||||
| <21 | 3.52% | 3.67% | 0.0080 | 3.52% | 3.55% | 0.0014 |
| ≥25 and <30 | 35.7% | 37.0% | 0.0282 | 35.7% | 35.7% | 0.0003 |
| ≥30 | 45.31% | 43.21% | 0.0423 | 45.31% | 45.38% | 0.0014 |
| Diabetes | 39.1% | 35.3% | 0.0795 | 39.1% | 39.5% | 0.0084 |
| Chronic lung disease | 16.3% | 13.5% | 0.0783 | 16.3% | 16.3% | 0.0022 |
| Hypertension | 84.7% | 80.9% | 0.1001 | 84.7% | 84.8% | 0.0037 |
| Baseline creatinine (mg/dL) | 1.19±1.03 | 1.16±0.95 | 0.0627 | 1.19±1.03 | 1.20±1.06 | 0.0095 |
| Peripheral arterial disease | 12.7% | 9.7% | 0.0964 | 12.7% | 12.9% | 0.0047 |
| Emergent procedure status | 11.7% | 17.7% | 0.1693 | 11.7% | 11.8% | 0.0018 |
| NSTEMI on presentation | 17.17% | 19.25% | 0.0540 | 17.17% | 17.01% | 0.0040 |
| Bivalirudin exposure | 66.9% | 61.8% | 0.1062 | 66.9% | 67.5% | 0.0119 |
| Left main coronary artery PCI | 2.06% | 2.11% | 0.0037 | 2.06% | 2.00% | 0.0043 |
| Number of vessels treated during index PCI | 1.42±0.70 | 1.44±0.73 | 0.0292 | 1.42±0.70 | 1.42±0.71 | 0.0049 |
| Fluoroscopy time (min) | 12.33±9.77 | 14.04±11.15 | 0.1340 | 12.33±9.77 | 12.46±9.42 | 0.0102 |
| Total number of PCI during admission | 1.0481 | 1.0467 | 0.0062 | 1.0481 | 1.0483 | 0.0006 |
Plus–minus values are means±SD. The standardised difference (the mean between-group difference divided by the SD) and was calculated to assess the relative imbalance between the exposed and unexposed groups, with values of less than 0.100 considered to be adequately balanced. The body mass index is the weight in kilograms divided by the square of the height in meters.
CAD, coronary artery disease; NSTEMI, non-ST elevation myocardial infarction; PCI, percutaneous coronary intervention; Std. Diff., absolute percentile standardized difference; VCD, vascular closure device.