Table 2 Analysis of the advance distance for a 90° PIP flexion contracture correction and the distance between distal palmar crease and palmar digital crease (H) in 120 fingers of 30 adults

Male

 Finger

 < 0.05*

 < 0.05*

  Index (n = 15)

9.9 ± 0.53

 < 0.05 ^S

23.1 ± 3.34

 < 0.05 ^S

  Middle (n = 15)

11.7 ± 1.00

 < 0.05 ^I,S

26.0 ± 5.01

  Ring (n = 15)

10.8 ± 0.89

 < 0.05 ^S

29.4 ± 3.33

 < 0.05 ^I,S

  Small (n = 15)

8.7 ± 1.43

 < 0.05 ^I,M,R

23.9 ± 4.30

 < 0.05 ^R

Female

 Finger

 < 0.05*

 < 0.05*

  Index (n = 15)

9.5 ± 1.12

 < 0.05 ^S

21.6 ± 3.27

 < 0.05 ^R

  Middle (n = 15)

10.7 ± 1.34

 < 0.05 ^S

22.2 ± 4.68

 < 0.05 ^R

  Ring (n = 15)

9.8 ± 1.05

 < 0.05 ^S

26.8 ± 3.21

 < 0.05 ^I,M,S

  Small (n = 15)

6.5 ± 1.29

 < 0.05 ^I,M,R

19.9 ± 1.77

 < 0.05 ^R