Development and Validation of a Simple Model to Predict the Risk of Nonmelanoma Skin Cancer on Screening Total Body Skin Examination

Table 2

Simplified multivariable model and point scoring system.

	Adjusted odds ratio (95% CI)	Points
Age
<50	1 (Reference)	0
50–64	5.90 (2.89–12.06)	3
≥65	15.53 (8.05–29.97)	5
Previous NMSC
Yes	3.14 (1.85–5.33)	2
No	1 (Reference)	0
SPT
I	3.86 (1.87–7.96)	2
II	1.79 (1.19–2.69)	1
III-VI	1 (Reference)	0

CI-confidence interval; NMSC-nonmelanoma skin cancer, SPT-skin phototype. c-statistic = 0.821 (95% CI: 0.783–0.859); Hosmer–Lemeshow goodness of fit test for simplified multivariable model. maximum of 9 points possible (age ≥ 65, NMSC, SPT I).