Comparison of two different types of hybrid Tibial fixations for anterior cruciate ligament reconstruction: a prospective comparative cohort study

Table 5 Tunnel widening

		ASIS group (n = 34)	CSIS group (n = 32)	P value	Adjusted β (95% CI)	Adjusted P value ^‡
AP view	> = 10%/ < 10%	0/34	0/32	1 ^β
AP view	Percentage TW change	1.923 ± 2.19	2.65 ± 2.25	0.188 *	−0.667 (− 1.835, 0.501)	0.26
LAT view	> = 10%/ < 10%	0/34	4/28	0.033 ^œ
LAT view	Percentage TW change	2.586 ± 3.25	4.364 ± 2.92	0.023 *	−1.733 (− 3.363, −0.103)	0.038

* Independent T test; ^œ Chi-square test; ^β Fisher’s exact test; ^‡ Linear regression; Percentage TW change = A -B (A = percentage value of TW at least 1 year post-OP; B = percentage value of TW at 1 day post-OP)

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