Table 3.

Differences of VAS and ROM time $\times$ group.

Variable	Group	Factors	Mean difference	Std. error	$p$-value	95% confidence interval
Vas	MET	Pre-day 1 $\times$ Post-day 1	1.20*	0.25	$<$0.001*	0.55–1.84
		Pre-day 1 $\times$ Post-day 2	2.20*	0.28	$<$0.001*	1.48–2.92
	MET-SCS	Pre-day 1 $\times$ Post-day 1	1.12*	0.19	$<$0.001*	0.62–1.62
		Pre-day 1 $\times$ Post-day 2	1.96*	0.28	$<$0.001*	1.24–2.68
Lumbar flexion ROM	MET	Pre-day 1 $\times$ Post-day 1	$-$1.80	1.10	0.344	$-$4.63–1.03
		Pre-day 1 $\times$ Post-day 2	$-$4.36*	1.50	0.023*	$-$8.21–$-$0.51
	MET-SCS	Pre-day 1 $\times$ Post-day 1	$-$5.600*	1.14	$<$0.001*	$-$8.54–$-$2.65
		Pre-day 1 $\times$ Post-day 2	$-$4.600*	1.08	0.001*	$-$7.38–$-$1.81
Lumbar extension ROM	MET	Pre-day 1 $\times$ Post-day 1	0.24	1.14	1.000	$-$2.72–3.20
		Pre-day 1 $\times$ Post-day 2	$-$3.96*	1.01	0.002*	$-$6.55–$-$1.37
	MET-SCS	Pre-day 1 $\times$ Post-day 1	$-$0.80	0.86	1.000	$-$3.01–1.41
		Pre-day 1 $\times$ Post-day 2	$-$4.24*	1.06	0.002*	$-$6.96–$-$1.51

^*$p<0.05$ significant.