Table 2.

Craniovertebral angle (°) in the pain groups and significance of differences between the groups

Pain group (n)	Mean±SD	95% confidence interval	P
			Group 1	Group 2	Group 3	Group 4
Group 0 (n=40)	153.3±4.9	151.6–155.0	0.685	< 0.001	< 0.001	< 0.001
Group 1 (n=49)	150.9±5.3	149.5–152.7		0.004	< 0.001	< 0.001
Group 2 (n=59)	147.2±6.2	145.8–148.6			< 0.001	< 0.001
Group 3 (n=52)	142.8±5.6	141.0–144.4				< 0.001
Group 4 (n=45)	136.9±5.0	134.5–138.7

SD, standard deviation.