Table 2 Risk of complications according to the training year (2015, no training provided; 2016, training provided).
Academic year 2015 | Academic year 2016 | Odds ratio | CI (95%) | P | |
|---|---|---|---|---|---|
Any complication | 54 (7.2%) | 40 (5.3%) | 0.732 | 0.480–1.117 | 0.16 |
Mechanical complication | 20 (2.7%) | 20 (2.7%) | 0.996 | 0.727–1.363 | 1.000 |
Arterial injury | 13 (2.4%) | 11 (1.8%) | 0.734 | 0.326–1.651 | 0.537 |
Hematoma | 6 (1.1%) | 7 (1.1%) | 1.043 | 0.348–3.122 | 1.000 |
Pneumothorax | 3 (0.4%) | 6 (0.8%) | 2.062 | 0.514–8.275 | 0.336 |
Infection | 38 (5%) | 22 (2%) | 0.784 | 0.642–0.957 | 0.047 |