Table 1. Mean ± SD (top row, shaded), median and range (bottom row, unshaded) of measured variables, displayed by sex and performance level. P values for pairwise comparisons are displayed with Cohen’s d effect size, and 95% confidence intervals of effect size below in brackets.

Outcome variable	Male	Female	Outcome	LOW	HIGH	Outcome
Final Lap	82.6 ± 9.4	65.6 ± 10.4	*p = .001, d = 1.82	74.9 ± 14.7	79.2 ± 10.0	*p = .047, d = .35
	(84, 58-94)	(64, 51-84)	(.93, 2.7)	(76, 51-94)	(78, 60-93)	(-.36, 1.06)
4 mM·L-1 Lap	64.1 ± 7.7	50.5 ± 9.7	*p = .001, d = 1.67	56.5 ± 10.5	61.8 ± 10.3	*p = .04, d = .52
	(65, 45.6-82)	(47.6, 40-67)	(.79, 2.56)	(60, 40-69.2)	(65, 41-82)	(-.22, 1.27)
5 m Sprint (s)	0.93 ± .06	1.02 ± 0.03	*p = .001, d = 1.80	.97 ± .06	.95 ± .07	p = .39, d = .21
	(.93, .82 – 1.03)	(1.01, 0.99-1.07)	(.88, 2.72)	(.96, .89-1.07)	(.97, .82-1.06)	(-.52, .94)
COD (s)	9.21 ± .57	10.46 ± 0.68	*p = .001, d = 2.13	9.83 ± 0.84	9.36 ± .79	*p = .028, d = .60
	(9.24, 8.23-10.05)	(10.32, 9.38-11.20)	(1.16, 3.11)	(9.85, 8.67-11.20)	(9.39, 8.23-11.05)	(-.15, 1.34)
RSA total time (s)	221.0 ± 11.0	250.6 ± 12.6	*p = .001, d = 2.69	231.2 ± 18.9	229.1 ± 17.4	p = .287, d = .12
	(223, 199-241)	(252, 235-270)	(1.63, 3.76)	(230, 199-270)	(226, 207-262)	(-.61, .85)
RSA Fatigue Index (%)	4.2 ± 1.7	5.7 ± 2.2	p = .730, d = 1.04	4.5 ± 1.5	4.9 ± 2.3	p = .975, d = .00
	(4, 1.3-7.3)	(6, 2-8.2)	(0, 1.63)	(5, 2.4 – 8.0)	(5, 1.3-8.2)	(-.56, .9)
Sum of 7 skinfolds (mm)	53.1 ± 16.5	94.7 ± 22.2	*p = .001, d = 2.35	66.0 ± 28.5	66.1 ± 25.5	p = .67, d = .00
	(48, 30.8-99.4)	(106.7, 55.4-116.5)	(1.34, 3.35)	(60.6, 30.8-116.5)	(59.8, 39.1-110.1)	(-.73, .73)
Calf girth (cm)	36.5 ± 2.0	34.9 ± 1.0	p = .059, d = .92	36.1 ± 2.2	35.9 ± 1.7	p = .626, d = .14
	(36.1, 34.4-40.7)	(34.9, 33.5-36.4)	(1.73, 3.91)	(35.2, 33.5-40.1)	(35.7, 33.9-40.7)	(-.73, 1.01)
Thigh girth (cm)	53.7 ± 2.6	52.3 ± 2.2	p = .186, d = .60	52.5 ± 3.2	53.7 ± 2.0	p = .057, d = .51
	(53.7, 50.2-59.6)	(51.9, 49.1-54.9)	(-.49, 1.09)	(51.4, 50.2-59.6)	(54.0, 49.1-56.6)	(-.38, 1.39)
Squat jump (cm)	37.1 ± 7.2	32.6 ± 3.7	p = .175, d = .92	33.7 ± 6.8	37.1 ± 6.3	p = .145, d = .60
	(34.7, 27.1-47.6)	(32.2, 28.3-37.5)	(-.02, 1.86)	(31.7, 27.1-46.9)	(35.8, 27.3-47.6)	(-.37, 1.49)
Countermovement jump (cm)	40.2 ± 8.1	36.7 ± 5	p = .346, d = .60	37.5 ± 7.9	40.3 ± 7	p = .145, d = .40
	(41.7, 30.2-52.6)	(37.4, 31.1-41.7)	(-.32, 1.52)	(33.6, 30.9-52.6)	(41.3, 30.2-51.5)	(-.53, 1.31)

*represents p ≤ 0.05. ‘LOW’ represents players within lower half of rankings, ‘HIGH’ represents players in higher half of rankings.