BMC Psychiatry

Table 2 Fluctuating asymmetry – correlation method: Correlation co-efficients of finger ridge counts anda-b ridge counts in male and females

From: Directional and fluctuating asymmetry in finger and a-b ridge counts in psychosis: a case-control study

	Controls	Non-affective psychosis	Affective psychosis
Measure	1 - r² (a)	1 - r² (b)	1 - r² (c)
Males FRC
Digit I	0.33	0.51	0.33
Digit II	0.34	0.59*	0.15
Digit III	0.41	0.42	0.39
Digit IV	0.36	0.38	0.38
Digit V	0.45	0.66**	0.26
FRC (right vs left)	0.14	0.23	0.09
a-bRC (right vs left)	0.45	0.44	0.42
Females FRC
Digit I	0.38	0.48	0.47
Digit II	0.48	0.39	0.19
Digit III	0.33	0.33	0.33
Digit IV	0.31	0.26	0.47
Digit V	0.38	0.50	0.33
FRC (right vs left)	0.15	0.19	0.15
a-bRC (right vs left)	0.31	0.48	0.38

NA = not applicable, FRC = finger ridge count, a-bRC = a-b ridge count *Fishers Z test for significant differences : Non-affective versus controls, (p < 0.02 **Fishers Z test for significant differences : Non-affective versus affective psychosis (p < 0.02)

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