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Table 1 Mean and standard deviation for dermatoglyphic variables by sex and by groups

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

  Mean (Standard deviation)
  Controls N = 228† (M:F 122:106) Non-affective psychosis N = 181† (M:F 118:63) Affective psychosis N = 59† (M:F 25:34)
Males    
   Right subtotal FRC 74.47 (27.60) 73.58 (22.77) 66.95 (29.94)
   Left subtotal FRC 71.66 (23.85) 69.75 (22.84) 63.52 (29.83)
Total FRC 144.67 (50.13) 143.51 (44.82) 130.65 (59.84)
   Right a-bRC 41.12 (6.34) 42.15 (5.41) 41.81 (5.52)
   Left a-bRC 41.45 (6.21) 42.49 (5.57) 42.83 (5.15)
Total a-bRC 82.58 (11.71) 84.51 (10.23) 84.40 (10.14)
Females    
   Right subtotal FRC 68.30 (26.05) 66.16 (26.19) 68.64 (26.69)
   Left subtotal FRC 66.01 (27.51) 62.34 (26.44) 64.12 (27.06)
Total FRC 133.71 (53.06) 126.68 (51.17) 135.12 (49.39)
   Right a-bRC 42.04 (5.49) 41.38 (5.71) 41.60 (6.85)
   Left a-bRC 42.86 (4.91) 42.23 (4.73) 41.87 (6.87)
Total a-bRC 85.26 (9.86) 83.94 (9.09) 83.28 (12.96)
  1. FRC = finger ridge count, a-bRC = a-b ridge count †The number of subjects available for each dermatoglyphic variable varies slightly