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

Table 2.

Comparison of outcomes of ROM, swelling, and VAS pain score between the 3 groups.

Variables	Before surgery	After surgery				P value (repeated measure ANOVA)
Variables	Before surgery	Second day postop.	Third day postop.	3 mo Postop.	1 y Postop.	P value (repeated measure ANOVA)
ROM
Control	98.3 ± 5.2	41.7 ± 4.5	70.1 ± 10.6	92.3 ± 5.0	113.7 ± 7.9	Group effect: <.001^a
Laser	97.5 ± 4.1	60.3 ± 12.9	90.9 ± 3.3	116.8 ± 6.3	119.7 ± 5.8	Time effect: <.001^a
Light	100.9 ± 4.4	49.8 ± 5.5	87.8 ± 3.6	104.0 ± 6.6	116.0 ± 6.6	Interaction: <.001^a
P value (ANOVA)	.12	<.001^a	<.001^a	<.001^a	.064
VAS pain
Control	9.5 ± 0.9	7.5 ± 0.9	5.9 ± 0.9	3.5 ± 0.9	0.5 ± 0.6	Group effect: <.001^a
Laser	9.1 ± 0.8	6.0 ± 1.3	3.9 ± 1.2	0.7 ± 0.4	0.6 ± 0.9	Time effect: <.001^a
Light	9.4 ± 0.9	6.5 ± 0.9	4.7 ± 1.2	2.1 ± 0.5	0.9 ± 0.7	Interaction: <.001^a
P value (ANOVA)	.56	.002^a	.04^a	.04^a	.31
Swelling
Control	49.6 ± 1.2	53.9 ± 1.2	53.3 ± 1.7	52.4 ± 1.4	-	Group effect: <.001^a
Laser	48.8 ± 2.5	52.5 ± 2.4	51.7 ± 2.5	50.9 ± 2.3	-	Time effect: <.001^a
Light	48.8 ± 1.4	52.5 ± 1.6	51.7 ± 1.7	50.9 ± 1.9	-	Interaction: .008^a
P value (ANOVA)	.35	.04^a	.04^a	.04^a	-

ANOVA, analysis of variance.

^a

Indicates significant P value.