Table 2.

Mean ages and comparison of 2D:4D ratios in SD group and controls

	Patients (n = 100)		Controls (n = 120)
	Ort	Ss	Ort	Ss	t	p	Cohen's d
Age	27.440	9.266	27.292	9.448
Left hand 2D	68.474	6.074	68.128	5.586	0.439	0.661	0.059
Left hand 4D	71.842	5.473	72.151	5.187	-0.429	0.668	-0.058
Left hand 2D:4D	0.956	0.081	0.946	0.072	0.901	0.368	0.131
Right hand 2D	70.858	6.990	72.472	5.012	-1.989	0.055	-0.265
Right hand 4D	72.746	5.057	69.158	5.403	5.048	0.000	0.686
Right hand 2D:4D	0.977	0.100	1.050	0.053	-6.948	0.000	-0.912

SD, seborrheic dermatitis; 2D:4D, ratio of the second digit to the fourth digit.