Table 3. Factors Associated With Performance of SLNB for Lesions With Breslow Thickness Greater Than 1 mm in Logistic Regression.
| Clinicopathologic Factor | Univariate Model | Multivariable Model | ||
|---|---|---|---|---|
| OR (95% CI) | P Valuea | OR (95% CI) | P Valuea | |
| Marital status | ||||
| Married | 1 [Reference] | NA | 1 [Reference] | NA |
| Never married | 1.69 (1.54-1.89) | .75 | 0.59 (0.53-0.65) | <.001 |
| Divorced | 1.05 (0.93-1.19) | .42 | 0.87 (0.76-0.99) | .03 |
| Widowed | 0.34 (0.31-0.34) | <.001 | 0.69 (0.62-0.76) | <.001 |
| Age, y | NA | NA | 0.95 (0.94-0.95) | <.001 |
| Site | ||||
| Trunk | NA | NA | 1 [Reference] | NA |
| Extremity | NA | NA | 1.23 (1.13-1.34) | <.001 |
| Head and/or neck | NA | NA | 0.54 (0.49-0.59) | <.001 |
| T stage | ||||
| T2a | NA | NA | 1 [Reference] | |
| T2b | NA | NA | 1.15 (1.02-1.31) | .03 |
| T3a | NA | NA | 1.11 (1.00-1.23) | .04 |
| T3b | NA | NA | 1.19 (1.07-1.34) | .001 |
| T4a | NA | NA | 0.87 (0.77-0.99) | .04 |
| T4b | NA | NA | 0.78 (0.70-0.87) | <.001 |
Abbreviations: NA, not applicable; OR, odds ratio; SLNB, sentinel lymph node biopsy.
a
Calculated using the χ2 test.