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Table 3 Muscle size

From: Examining the effect of Withania somnifera supplementation on muscle strength and recovery: a randomized controlled trial

  

Treatment group mean (SD)

Placebo group mean (SD)

Between group comparison

(p-values)

 

Sample size (n)

n = 25

n = 25

 

Thigh (cm2)

Pre intervention

107.84 (24.61)

111.18 (17.15)

0.58

Post intervention

116.56 (26.04)

117.40 (19.96)

0.9

Change

8.71 (10.06); 95 % CI: 4.56, 12.87**

6.22 ( 8.76); 95 % CI: 2.61, 9.84*

0.36

Arm (cm2)

Pre intervention

51.96 (10.88)

53.13 (14.84)

0.75

Post intervention

60.85 (13.23)

58.43 (17.66)

0.59

Change

8.89 (4.71); 95 % CI: 6.95, 10.84**

5.30 ( 4.74); 95 % CI: 3.34, 7.25**

0.01

Chest (cm)

Pre intervention

101.40 (11.22)

101.16 (8.93)

0.93

Post intervention

104.77 (11.09)

102.58 (8.76)

0.44

Change

3.37 ( 1.89); 95 % CI: 2.59, 4.15**

1.43 (1.45); 95 % CI: 0.83, 2.02**

0.0002

  1. * = p < 0.01; ** = p < 0.001 within group comparison