Table 1. Characteristics of patients with squamous cell carcinoma and Bowen’s disease.

	SCC	BD	P-value
n	62	51
Age (years)			0.38a
Mean	77	77.8
Range	43–98	23–99
Gender			0.40b
Male	29	19
Female	33	32
Localization
Head	5	—
Face	23	15
Arm	4	2
Hand	7	3
Body	9	15
Vulva	4	5
Leg	5	8
Foot	5	1
Unknown	0	2

Abbreviations: BD=Bowen's disease; SCC=squamous cell carcinoma.

^aBy Student's t-test.

^bBy χ²-test.