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. 2022 Dec 5;19:101066. doi: 10.1016/j.artd.2022.10.016

Table 4.

Comparison of outcomes of KSS between the 3 groups.

Variables	Before surgery	After surgery		Repeated measure ANOVA (P value)
Variables	Before surgery	3 mo Postop.	1 y Postop.	Repeated measure ANOVA (P value)
Knee score
Control	43.4 ± 8.2	73.6 ± 9.1	87.5 ± 7.6	Group effect: .001^a
Laser	41.7 ± 11.6	95.7 ± 4.4	97.4 ± 3.0	Time effect: <.001^a
Light	42.8 ± 12.5	80.7 ± 8.6	90.6 ± 6.1	Interaction: .01^a
P value	.9	<.001^a	.01^a
Function score
Control	48.7 ± 18.8	69.0 ± 5.1	84.9 ± 5.0	Group effect: .44
Laser	42.0 ± 16.1	82.3 ± 6.8	89.9 ± 4.6	Time effect: <.001^a
Light	42.0 ± 18.3	76.3 ± 8.4	87.0 ± 7.5	Interaction: <.001^a
P value	.5	<.001^a	.07

ANOVA, analysis of variance.

^a

Significant P value.