. Author manuscript; available in PMC: 2008 Jul 22.

Published in final edited form as: J Invest Dermatol. 2007 Mar 22;127(7):1647–1656. doi: 10.1038/sj.jid.5700776

Table 3. Keratotic skin lesions are associated with skin cancer.

	No skin cancer	Squamous-cell carcinoma (with or without BCC)			Basal-cell carcinoma (with no SCC)
			Non-adjusted OR	Adjusted OR²		Non-adjusted OR	Adjusted OR²
			1–49 vs 0 (95% CI)	1–49 vs 0 (95% CI)		1–49 vs 0 (95% CI)	1–49 vs 0 (95% CI)
All countries together¹	N=557	N=222	50 + vs 0 (95% CI)	50 + vs 0 (95% CI)	N=131	50 + vs 0 (95% CI)	50 + vs 0 (95% CI)
Keratotic skin lesions³	N (%)	N (%)			N (%)
0	267 (47.9)	26 (11.7)			34 (26.0)
1–49	231 (41.5)	115 (51.8)	5.1 (3.2;8.1)	4.1 (2.4;7.0)	79 (60.3)	2.7 (1.7;4.2)	2.9 (1.7;4.9)
50–99	25 (4.5)	25 (11.3)	14.1 (8.3;24)	12.1 (6.1;24)	5 (3.8)	1.4 (1.3;4.5)	4.0 (1.7;9.2)
100 and more	34 (6.1)	56 (25.2)			13 (9.9)

BCC, basal-cell carcinoma; SCC, squamous-cell carcinoma.

The data for the five countries are provided separately in Table S3.

Adjusted for age, sex, years after transplantation and study center.

Keratotic skin lesions consist of actinic keratoses, seborrheic warts, and hyperkeratotic papillomas.