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Table 1 Description of participating subjects and differences in 2D:4D ratios and HGS (with p values and effect sizes) between Parkinson patients and controls

From: Are the digit ratio (2D:4D) and hand grip strength related to Parkinson disease in elderly males?

Variable

Mean ± SD

P

Effect size

Parkinson patients (n = 117)

Controls (n = 156)

Age (year)

61.66 ± 11.28

61.86 ± 6.29

-

-

Weight (kg)

75.58 ± 16.17

71.35 ± 11.39

-

-

Height (cm)

171.23 ± 8.35

174.87 ± 9.15

-

-

BMI (kg/m 2 )

25.26 ± 5.41

24.88 ± 4.14

0.43

0.07

Physical activity level

6.29 ± 0.70

7.90 ± 1.07

< 0.001

1.78

Right 2D:4D

1.02 ± 0.03

1.01 ± 0.07

0.12

0.18

Left 2D:4D

1.02 ± 0.02

1.01 ± 0.05

0.40

0.26

Mean 2D:4D

1.02 ± 0.02

1.01 ± 0.05

0.18

0.26

D R−L 2D:4D

0.005 ± 0.02

-0.0006 ± 0.04

0.23

0.17

HGS right hand (kg)

30.71 ± 9.85

32.85 ± 6.07

0.02

0.26

HGS left hand (kg)

29.85 ± 9.46

31.73 ± 4.86

0.03

0.24

Level of disability

2.31 ± 0.69

-

-

-

  1. Notes; BMI: body mass index; HGS: hand grip strength; DR−L 2D:4D: right hand 2D:4D - left hand 2D:4D