Table 3.

Proportion of patients with each category of cervical curvature (lordotic, straight, kyphotic) in PAIN and NO PAIN groups

Spinal segment	Group	Lordotic	Straight	Kyphotic	Chi-square P value
C2/3	PAIN	51/54 (94%)	2/54 (4%)	1/54 (2%)	0.31
	NO PAIN	48/53 (91%)	5/53 (9%)	0/53 (0%)
C3/4	PAIN	41/54 (76%)	10/54 (18%)	13/54 (6%)	0.77
	NO PAIN	37/53 (70%)	12/53 (23%)	4/53 (7%)
C4/5	PAIN	35/54 (65%)	14/54 (26%)	5/54 (9%)	0.82
	NO PAIN	37/53 (70%)	11/53 (21%)	5/53 (9%)
C5/6	PAIN	38/54 (70%)	13/54 (24%)	3/54 (6%)	0.89
	NO PAIN	37/53 (70%)	14/53 (26%)	2/53 (4%)
C6/7	PAIN	43/54 (86%)	7/54 (14%)	0/54 (0%)	0.68
	NO PAIN	47/53 (89%)	6/53 (11%)	0/53 (0%)
C2–C7 whole curve	PAIN	48/50 (96%)	2/50 (4%)	0/50 (0%)	0.45
	NO PAIN	48/53 (91%)	4/53 (7%)	1/53 (2%)