TABLE 2.

Relaxation time differences in the primary spongiosa, secondary spongiosa, and mature metaphysis of the ischemic versus control femoral heads across n = 10 piglets.

		Control (ms)	Ischemic (ms)	Paired difference (ms)	95% CI	t	p-Value	Effect size (Cohen's d)	Percent change (%)
Primary spongiosa	T2	57.9 ± 5.4	64.6 ± 7.1	6.7 ± 9.8	[0.8, 12.6]	2.4	0.029 *	0.7	13 ± 17
	T1ρ	87.3 ± 2.9	86.5 ± 9.8	−1 ± 10	[−7.9, 6.3]	0.2	0.81	0.1	−1 ± 12
	aT1ρ	176.8 ± 6.6	183 ± 23	6 ± 25	[−10, 22]	0.8	0.42	0.2	4 ± 14
	aT2ρ	75.1 ± 2.5	78.0 ± 9.0	2.9 ± 9.8	[−3.9, 9.2]	1.0	0.34	0.3	4 ± 13
Secondary spongiosa	T2	92 ± 12	78.5 ± 9.9	−13.3 ± 9.3	[−23.4, −3.2]	2.8	0.013 *	1.4	−14 ± 8
	T1ρ	145 ± 16	113 ± 19	−32 ± 23	[−48, −15]	4.0	<0.001 *	1.4	−21 ± 14
	aT1ρ	300 ± 37	258 ± 28	−43 ± 41	[−74, −12]	2.9	0.009 *	1.0	−13 ± 13
	aT2ρ	125 ± 15	99 ± 14	−26 ± 14	[−39, −13]	4.1	<0.001 *	1.8	−20 ± 10
Mature metaphysis	T2	65.4 ± 7.0	64.9 ± 7.2	−0.5 ± 4.0	−7.2, 6.2]	0.2	0.88	0.1	−1 ± 7
	T1ρ	103.1 ± 7.2	102.3 ± 7.7	−0.8 ± 3.8	[−7.8, 6.2]	0.2	0.81	0.2	−1 ± 4
	aT1ρ	245 ± 15	249 ± 14	5 ± 12	[−9, 18]	0.7	0.49	0.4	2 ± 5
	aT2ρ	88.0 ± 8.8	86.9 ± 9.5	−1.1 ± 2.8	[−9.7, 7.5]	0.3	0.79	0.4	−1 ± 4

Note: Values are reported as mean ± standard deviation.

^*Statistically significant (p < 0.05) are in bold.