Comparing Melanoma Invasiveness in Dermatologist- versus Patient-Detected Lesions: A Retrospective Chart Review

Table 1

Patient variables.

Variable	Patient-identified melanoma (𝑛=100)^a		Dermatologist-identified melanoma (𝑛=101)^a
Age, Mean years (SD)	54.7 (16.7)		60.7 (12.5)
Female gender	64		56
Skin type (Fitzpatrick scale)	Type I	2.1	Type I	3
	Type II	92.6	Type II	91
	Type III	5.3	Type III	6
Positive history of blistering sunburns	39		43
Personal history	None	54	None	34
	Melanoma	7	Melanoma	11
	Other^b	39	Other^b	55
Family history of melanoma	None	55	None	67
	Melanoma	23	Melanoma	7
	Other^b	22	Other^b	26

^aData are given as percentages unless otherwise indicated.
^bIncludes basal and/or squamous cell carcinoma and atypical nevus.