Table 2.

Comparison of all indices before and after total knee arthroplasty

	Preoperation	Postoperation	P
IS index	1.07 ± 0.19	1.07 ± 0.17	1
MIS index	1.61 ± 0.22	1.51 ± 0.21	< 0.0001
BP index	0.86 ± 0.16	0.74 ± 0.14	< 0.0001
CD index	0.93 ± 0.15	0.78 ± 0.12	< 0.0001

IS Insall–Salvati, MIS modified Insall–Salvati, BP Blackburne–Peel, CD Caton–Deschamps