Table 2. Between-group change scores from baseline to 2 and 4 weeks .

Variable	At 2 weeks		P value/Cohen’s d	At 4 weeks		P value/Cohen’s d
	Change score MET, mean/SD (95% CI)	Change score INIT, mean/SD (95% CI)		Change score MET, mean/SD (95% CI)	Change score INIT, mean/SD (95% CI)
Lateral flexion (°)	27.65/1.59 (0.87–2.34)	30.71/1.42 (0.29–0.32)	<0.01/0.94	29.33/1.72 (1.32–1.84)	34.44/1.2 (0.10–0.73)	<0.01/0.97
VAS	7.03/0.69 (0.35–0.88)	6.46/0.55 (0.09–0.55)	<0.01/0.92	6.10/0.68 (0.21–0.31)	5.28/0.47 (0.29–0.57)	<0.01/0.97
Neck disability index*	37.7/6.32 (0.51–0.85)	33.04/5.05 (0.24–0.29)	<0.01/0.79	31.88/4.4 (0.07–0.91)	27.19/3.7 (0.57–1.12)	<0.01/0.94

Note: VAS  =  visual analog scale. All values are expressed as mean with standard deviation (SD) and 95% CI. P value and Cohen’s d reflects between-groups changes.

^*Function measured with the neck disability index (score range: 0–50 with higher score indicating greater disability).