Table 2.

The changes in cervical sagittal alignment outcomes in experimental and control groups vs time.

		Pre treatment		Post treatment	1-year follow	2-year follow up	P
							G	T	G Vs t
ARA	E	5.5 ± 3.8		18.9 ± 3 [3.9 ]	18.2 ± 3 [3.7 ]	17.7 ± 2.9 [3.6 ]	<0.001∗	<0.001∗ ∗	<0.001∗
	C	7.2 ± 3.9		7.1 ± 3.8 [ 0.01 ]	6.9 ± 3.7 [0.07 ]	6.1 ± 3.6 [0.2 ]
				<0.001∗ [9.4 13.9]	<0.001∗ [ 9.1 13.4]	<0.001∗ [9.4 13.6]
AHT	E		25.6 ± 5.9	6.4 ± 2.2 [4.3 ]	6.9 ± 2.4 [4.1]	8.1 ± 2.8 [ 3.8]	<0.001∗	<0.001∗	<0.001∗
	C		27.2 ± 5.6	26.9 ± 2.3 [0.07 ]	27.7 ± 5.5 [0.09 ]	28.7 ± 4.7 [ .2 ]
				<0.001∗ [-2.4, -2.3]	<0.001∗ [-2.1, -1.9]	<0.001∗ [-2.2, -1.8]

Data are given as mean (sd) [effect size]. ARA: Absolute rotatory angle AHT: Anterior head translation E: experimental group C:control group G: group T: time G vs T: group versus time.

∗ indicates statistically significant difference.