Table 2.

Intercondylar notch.^a

Author	Study Design	N	No. of Injured Cases	Significant Risk Factors
Souryal46	Case-control	145	95b	Decreased NWI
Souryal45	Prospective cohort	902	14	Stenotic notch, decreased NWI
LaPrade24	Prospective cohort	213	7	Stenotic notch, decreased NWI
Lund-Hanssen29	Matched case-control	46	20	Stenotic notch, decreased NWI, decreased notch opening
Schickendantz39	Case-control	91	61c	None
Shelbourne41	Prospective cohort	714	27d	Narrower notch width
Ireland21	Case-control	294	108	Decreased notch width, NWI, A-shaped notch
Lombardo27	Case-control	305	14	None
Uhorchak49	Prospective cohort	895	24	Decreased notch width
Domzalski12	Case-control	90	46	Decreased notch width
Everhart13	Matched case-control	54	27	Increased ridge thickness of anterior notch, notch stenosis
Chaudhari11	Matched case-control	54	27	Decreased anterior cruciate ligament volume

^aNWI, notch width index.

^bUnilateral, 50; bilateral, 45.

^cUnilateral, 30; bilateral, 31.

^dContralateral injury.