. 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 II.

Results from coronal 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)

Coronal
NWI ≤ 0.2	1 (4.4%)	1 (0.7%)	0.27
NWI > 0.2	22 (95.6%)	136 (99.3%)
Intercondylar notch angle β < 50°	11 (47.8%)	56 (40.9%)	0.53
Intercondylar notch angle β ≥50°	12 (52.2%)	81 (59.1%)
NWI mean and 95% CI	0.246 ± 0.03 (0.234–0.258)	0.263 ± 0.03 (0.258–0.268)	0.01
Intercondylar notch angle mean and 95% CI	48.0 ± 8.1 (43.5–52.4)	52.2 ± 11.2 (50.4–54.1)	0.08