. Author manuscript; available in PMC: 2014 Sep 25.

Published in final edited form as: Osteoarthritis Cartilage. 2009 Oct 2;18(2):192–199. doi: 10.1016/j.joca.2009.09.006

Table III.

Results from axial sequences: frequency of ACL tear in participants with notch stenosis (NWI ≤ 0.2 and b < 50() and NWI in participants with and without ACL tear (N = 160)

	ACL tear		P-value

	Yes (N = 23)	No (N = 137)

Axial
NWI ≤ 0.2	17 (73.9%)	90 (65.7%)	0.44
NWI > 0.2	6 (26.1%)	47 (34.3%)
Intercondylar notch angle β < 50°	5 (21.7%)	29 (21.2%)	1.00
Intercondylar notch angle β ≥50°	18 (78.3%)	108 (78.2%)
NWI mean and 95% CI	0.181 ± 0.03 (0.168–0.194)	0.190 ± 0.03 (0.184–0.195)	0.23
Intercondylar notch angle mean and 95% CI	55.3 ± 10.3 (50.9–59.8)	58.5 ± 10.8 (56.7–60.3)	0.19