Table 3.

Baseline and post-race NPRS scores for perceived lower extremity muscle soreness, based on ITT.

		Protein	Placebo	p-Value
		n = 150	n = 150
Baseline	Worst muscle soreness	0.67 ± 1.61	0.66 ± 1.58	0.93
	Least muscle soreness	0.27 ± 0.78	0.20 ± 0.69	0.53
	Average muscle soreness past 24 h	0.45 ± 1.08	0.44 ± 1.14	0.96
		n = 155	n = 152
1 day post-race	Worst muscle soreness	3.83 ± 2.84	3.67 ± 3.01	0.61
	Least muscle soreness	1.65 ± 1.93	1.43 ± 1.96	0.16
	Average muscle soreness past 24 h	2.79 ± 2.26	2.53 ± 2.47	0.17
		n = 129	n = 125
2 days post-race	Worst muscle soreness	2.54 ± 2.38	2.54 ± 2.71	0.69
	Least muscle soreness	1.19 ± 1.58	1.17 ± 1.68	0.49
	Average muscle soreness past 24 h	1.82 ± 1.88	1.8 ± 2.16	0.44
		n = 148	n = 144
3 days post-race	Worst muscle soreness	1.26 ± 1.96	1.08 ± 1.70	0.74
	Least muscle soreness in	0.49 ± 1.01	0.42 ± 0.80	0.78
	Average muscle soreness past 24 h	0.84 ± 1.42	0.74 ± 1.20	0.76

Data are presented as mean ± SD. ITT, Intention-to-treat analysis. NPRS; numeric pain rating scale. p-values for differences between groups were derived by Mann-Whitney U-test.