Research Article
Sentinel Lymph Node Biopsy in Patients with Thick Primary Cutaneous Melanoma: Patterns of Use and Underuse Utilizing a Population-Based Model
Table 2
Multivariate logistic regression model of the entire cohort (2004–2008) predicting use of sentinel lymph node biopsy (SLNB).
| | Variable | Odds Ratio (95% CI) | value |
| | Age, years | | | | 1 to 39 | Referent | Referent | | 40 to 49 | 0.74 (0.41–1.35) | =0.325 | | 50 to 59 | 0.84 (0.48–1.47) | =0.547 | | 60 to 69 | 0.58 (0.33–0.99) | =0.047 | | 70 to 79 | 0.32 (0.19–0.54) | <0.001 | | 80 or more | 0.10 (0.06–0.16) | <0.001 | | Sex | | | | Male | Referent | Referent | | Female | 0.93 (0.75–1.16) | =0.532 | | Race/ethnicity | | | | White | Referent | Referent | | Asian | 1.54 (0.61–3.91) | =0.359 | | Black | 0.54 (0.23–1.27) | =0.158 | | Hispanic | 0.85 (0.51–1.41) | =0.523 | | Native American | 4.62 (0.45–47.63) | =0.198 | | Unknown | 0.21 (0.07–0.62) | =0.005 | Mean Breslow depth
(per 1/100 mm) | 0.99 (0.99–1.00) | <0.001 | | Tumor histology | | | | Nodular | Referent | Referent | | Acral lentiginous | 1.08 (0.61–1.92) | =0.786 | | Amelanotic | 1.21 (0.64–2.30) | =0.555 | | Desmoplastic | 1.47 (1.11–1.96) | =0.008 | | Epidermoid | 1.36 (0.67–2.76) | =0.388 | | Lentigo maligna | 0.93 (0.45–1.91) | =0.850 | | Nevus associated | 0.91 (0.24–3.45) | =0.887 | | Regressing | 4.83 (0.58–40.47) | =0.147 | | Superficial Spreading | 0.91 (0.68–1.23) | =0.549 | | Tumor location | | | | Head/neck | Referent | Referent | | Arm | 2.07 (1.56–2.75) | <0.001 | | Leg | 2.40 (1.70–3.40) | <0.001 | | Trunk | 1.82 (1.38–2.40) | <0.001 | | Overlapping/other | 0.23 (0.04–1.22) | =0.084 | | Tumor ulceration | | | | Yes | Referent | Referent | | No | 0.88 (0.71–1.09) | =0.234 | | Unknown | 0.63 (0.33–1.22) | =0.172 |
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