Model 1 | Model 2 | Model 3 | Model 4 | |
---|---|---|---|---|
Center volume [OR (95% CI)] | – | – | 1.01 (0.98–1.04) | 1.01 (0.98–1.05) |
Year of admission [OR (95% CI)] | – | – | ||
2014 | ref | ref | ||
2015 | 1.32 (0.95–1.85) | 1.20 (0.86–1.67) | ||
2016 | 1.67 (1.22–2.28) | 1.36 (0.98–1.90) | ||
2017 | 1.60 (1.17–2.19) | 1.27 (0.91–1.77) | ||
Time from arrival at the ED of intervention center to groin puncture (every 30 min) [OR (95% CI)] | – | – | – | 0.87 (0.82–0.92) |
Use of general anesthesia [OR (95% CI)] | – | – | – | 0.72 (0.57–0.90) |
Variance of random center intercept [tau2(95% CI)]# | 0.040 (0.012–0.113) | 0.086 (0.042–0.261) | 0.081 (0.028–0.227) | 0.089 (0.033–0.254) |
AIC | 11,158 | 10,050 | 10,043 | 10,012 |