Table 3 Univariate and multivariate Cox regression analysis of factors influencing achievement of pad-free status
Univariate analysis | Multivariate analysis | |||||
|---|---|---|---|---|---|---|
HR | 95% CI | P value | HR | 95%CI | P value | |
Age ≤ 70 years | 1.67 | 1.08–2.68 | 0.02 | 1.74 | 1.12–2.80 | 0.01 |
BMI ≤24 | 1.11 | 0.76–1.66 | 0.61 | |||
Nerve-sparing (bilateral vs. unilateral) | 1.24 | 0.80–1.87 | 0.33 | |||
Institutional caseload > 200 | 1.86 | 1.28–2.71 | <0.01 | 1.64 | 1.10–2.47 | 0.02 |
Use of HA/CMC | 2.26 | 1.54–3.30 | <0.01 | 1.84 | 1.22–2.76 | <0.01 |