. 2022 Apr 25;10:861788. doi: 10.3389/fbioe.2022.861788

TABLE 3.

Knee range of motion and joint function at the pre-stage-2 period and follow-ups.

Parameters	A: pre- B: 0.5 years Stage-2* (n = 17) (n = 17)	C: 1 year (n = 14)	P _A-B t,υ<	P _A-C t,υ	P _B-C t,υ
Knee extension −1.29 ± 1.26	−2.53 ± 2.27	−3.07 ± 2.46	0.058 t = 1.963	0.025 t = 2.447	0.529 t = 0.637
Knee extension −1.29 ± 1.26	−2.53 ± 2.27	−3.07 ± 2.46	υ = 32	υ = 18.531	υ = 29
Knee flexion 123.41 ± 4.08	128.88 ± 6.90	138.07 ± 8.89	0.008 t = -2.814	<0.001 t = -5.697	0.003 t = -3.242
Knee flexion 123.41 ± 4.08	128.88 ± 6.90	138.07 ± 8.89	υ = 32	υ = 17.472	υ = 29
Lysholm 46.06 ± 6.43	77.12 ± 4.68	84.50 ± 4.50	<0.001 t = -16.112	<0.001 t = -18.865	<0.001 t = -4.448
Lysholm 46.06 ± 6.43	77.12 ± 4.68	84.50 ± 4.50	υ = 32	υ = 29	υ = 29
IKDC 11.22 ± 2.23	74.52 ± 3.06	79.00 ± 5.71	<0.001 t = -16.112	<0.001 t = -14.402	0.003 t = -3.187
IKDC 11.22 ± 2.23	74.52 ± 3.06	79.00 ± 5.71	υ = 32	υ = 29	υ = 29

Note: *pre-stage-2: just before the stage-2, operation began, when the stage-1 operation and rehabilitation of 6–8 weeks had been accomplished; IKDC: International Knee Documentation Committee.