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Results of multivariate analysis showing the association of catheter duration and lasing energy on the occurrence of complications
| Variable | Category | Hazard ratio (95% CI) | p-value |
|---|---|---|---|
| Time with catheter | ≤5 days | 1 | 0.007 |
| >5 days | 4.12 (1.47–11.6) | ||
| Lasing energy | – | 1.18* (0.80–1.74) | 0.40 |
CI = confidence interval
Hazard ratio for a 50,000J increase in energy
