Table 3: Impact of race on gender distribution of patients with cutaneous basal cell carcinoma.

StudyMale : femaleAge of onsetPercent of tumors in the head and neck

Asian
 Present study168.9100
 Zhang et al. [24] 1993 (Japan)0.9458.880
 Ikeda et al. [1] 1989 (Japan)1.1N/A73.6
 Kikuchi et al. [22] 1996 (Japan)0.9759.175.3
 Takenouchi et al. [27] 2001 (Japan)0.9367.1N/A
 Yap [32] 2010 (Malaysia)1.0560.982.8
Black African
 Mora and Burris [15] 1981 (US)0.825976.3
 Abreo and Sanusi [2] 1991 (US)0.7368.588.3
 Itayemi and Oluwasanmi [16] 1974 (Nigeria)0.7241.157.9
Caucasian
 Reizner et al. [25] 1993 (US)1.9356.554.7
 Green [13] 1982 (Australia)2.02N/A61.8
 Czarnecki et al. [12] 1992 (Australia)1.9551.961.7
 Roenigk et al. [11] 1986 (US)1.1563.858.8
 Chuang et al. [9] 1990 (US)0.8564.683.9
 Swerdlow [14] 1985 (UK)1.2N/A92
 Gallagher et al. [7] 1990 (Canada)1.2N/A68.8
 Dahl et al. [8] 1992 (Sweden)0.97N/A60.2