Table 6.
Results of the logistic regression analysis for SNB failure
| Previous | Number of patients | Univariate | Multivariate (forward stepwise)a | ||||
|---|---|---|---|---|---|---|---|
| p value | Odds | Odds (95% CI) | p value | Odds | Odds (95% CI) | ||
| Breast surgery | |||||||
| No (base) | 174 | ||||||
| Yes | 99 | 0.002 | 23.862 | 3.053–186.510 | 0.074 | 7.985 | 0.816–78.146 |
| Axillary node procedure | |||||||
| No (base) | 208 | ||||||
| Sentinel node | 52 | 0.003 | 8.913 | 1.438–6.827 | NS | ||
| Axillary dissection | 13 | < 0.001 | 30.37 | 5.897–156.413 | |||
| Adjuvant therapy | |||||||
| No (base) | 234 | NS | |||||
| Hormone therapy | 20 | 0.167 | 3.139 | 0.620–15.895 | |||
| Chemotherapy | 19 | 0.021 | 5.297 | 1.280–21.924 | |||
| Breast radiation | |||||||
| No (base) | 242 | NS | |||||
| Yes | 31 | < 0.001 | 24.341 | 6.931–85.483 | 0.002 | 8.864 | 2.201–35.700 |
Logistic regression analysis was performed with SNB failure as a dependent variable
CI confidence interval, NS not significant
aMultivariate analysis was performed with a forward stepwise method with a likelihood ratio