Skip to main content

View full-text article in PMC

. 2023 Feb 17;11:e14878. doi: 10.7717/peerj.14878

Table 2. Changes in the chest circumference measurements in bodybuilders of the examined groups during the study (IQR), n = 64.

Groups	Term of observation, weeks				χ², df = 3, W
	Initial data	4	8	12
1	109.00 (3.12) H = 9.69, p = 0.07	108.15 (2.75) −0,8%¹^,^*	109.25 (2.88) 1.0%¹^,^*	110.40 (2.30) 1.0%¹^,^* 1.3%²^,^***	χ² = 37.75^* W = 0.78^*
3	107.00 (1.28) H = 9.69, p = 0.07	108.80 (1.30) 1,7%¹^,^*	110.15 (1.15) 1.2%¹^,^*	111.15 (0.87) 0.9%¹^,^* 3.9%²^,^***	χ² = 48.00^*** W = 1.00^^,^**
2	107.35 (4.75) H = 9.69, p = 0.07	107.00 (4.65) −0,3¹	108.20 (4.33) 1.1%¹^,^*	110.50 (4.57) 2.1%¹^,^* 2.9%²^,^***	χ² = 45.99^* W = 0.95^*
4	109.50 (2.87) H = 9.69, p = 0.07	112.50 (1.98) 2,7%¹^,^*	113.85 (1.20) 1.2%¹^,^*	114.85 (1.02) 0.9%¹^,^* 4.9%²^,^***	χ² = 47.71^* W = 0.99^*

Notes.

¹

difference (%) compared to previous results.

²

difference (%) in comparison with the initial data.

df: is the number of degrees of freedom
H: Kruskal-Wallis H test
χ²: Friedman’s test
W: is the Kendall’s coefficient of concordance

^*

p < .05.

^***

p < .001.