TABLE 3.

Differences in primary, secondary, and total metaphyseal spongiosis thickness in the ischemic versus control femoral heads across n = 10 piglets.

		Control (mm)	Ischemic (mm)	Paired difference (mm)	95% CI	t	p-Value	Effect size (Cohen's d)	Percent change (%)
Primary Spongiosa Thickness	T2	1.12 ± 0.22	0.91 ± 0.31	−0.21 ± 0.40	[−0.49, 0.08]	1.6	0.143	0.5	−15 ± 38
	T1ρ	1.25 ± 0.33	1.08 ± 0.27	−0.17 ± 0.29	[−0.37, 0.04]	1.9	0.095	0.6	−11 ± 20
	aT1ρ	1.35 ± 0.40	1.15 ± 0.30	−0.21 ± 0.31	[−0.43, 0.02]	2.1	0.066	0.7	−13 ± 24
	aT2ρ	1.32 ± 0.49	1.14 ± 0.30	−0.18 ± 0.38	[−0.45, 0.09]	1.5	0.17	0.6	−8 ± 28
Secondary Spongiosa Thickness	T2	1.90 ± 0.60	1.13 ± 0.31	−0.77 ± 0.58	[−1.19, −0.36]	4.2	0.002 *	1.3	−38 ± 19
	T1ρ	1.80 ± 0.78	1.11 ± 0.33	−0.70 ± 0.56	[−1.10, −0.29]	3.9	0.004 *	1.2	−35 ± 14
	aT1ρ	1.92 ± 0.46	1.18 ± 0.25	−0.74 ± 0.36	[−0.99, −0.48]	6.4	<0.001 *	2.0	−37 ± 12
	aT2ρ	1.78 ± 0.31	1.11 ± 0.30	−0.68 ± 0.29	[−0.89, −0.48]	7.5	<0.001 *	2.4	−38 ± 13
Total Metaphyseal Spongiosa Thickness	T2	3.02 ± 0.75	2.04 ± 0.36	−0.98 ± 0.81	[−1.56, −0.40]	3.8	0.004 *	1.2	−29 ± 20
	T1ρ	3.05 ± 0.87	2.18 ± 0.43	−0.87 ± 0.68	[−1.35, −0.38]	4.1	0.003 *	1.3	−26 ± 15
	aT1ρ	3.27 ± 0.54	2.33 ± 0.40	−0.94 ± 0.41	[−1.24, −0.65]	7.3	<0.001 *	2.3	−28 ± 11
	aT2ρ	3.11 ± 0.57	2.25 ± 0.49	−0.86 ± 0.51	[−1.22, −0.50]	5.4	<0.001 *	1.7	−27 ± 16

Note: Values are reported as mean ± standard deviation.

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