From: Validation studies on gender determination from fingerprints with special emphasis on ridge characteristics
Ridge density
Total N
Min. (I)
Min. (M)
Max (I)
Max (M)
Mean (I)
Mean (M)
S.D (I)
S.D (M)
Males
400
11.06
11.15
14.04
14.37
12.32
12.7
1.72
1.26
Females
11.25
11.6
14.45
13.91
13.94
13.22
1.55
1.05