Table 4. Univariate and multivariate binary logistic regression analysis for risk factors of RID.
| Variables | Univariate | Multivariate | ||
|---|---|---|---|---|
| OR (95% CI) | p | OR (95% CI) | p | |
| Age | 1.00 (0.96–1.04) | 0.951 | ||
| Sex | 1.82 (0.47–7.07) | 0.387 | ||
| BMI | 1.41 (1.21–1.63) | <0.001 | 1.47 (1.07–2.00) | 0.016 |
| BSA | 5.16 (1.88–14.16) | 0.001 | 2.70 (0.42–17.22) | 0.293 |
| Fluoroscopy time | 1.02 (1.01–1.03) | <0.001 | 1.02 (1.01–1.04) | 0.001 |
| Repeated RFCA | 2.72 (1.53–4.86) | 0.001 | 3.41 (1.43–8.11) | 0.006 |
RID: radiation-induced dermatitis, OR: odd ratio, CI: confidence interval, BMI: body mass index, BSA: body surface area, RFCA: radio-frequency catheter ablation