TABLE 1.

Baseline characteristics.

Characteristics	CX-DZ-II (n = 83)	SDZ-II (n = 81)	p-value
Gender, n (%)
Male	18 (21.69)	11 (13.75)	0.185
Female	65 (78.31)	69 (86.25)
Age, mean (SD), yr	47.75 ± 12.19	48.23 ± 13.57	0.813
Height, mean (SD), cm	159.71 ± 6.19	160.00 ± 6.37	0.538
Weight, mean (SD), Kg	58.83 ± 8.75	56.84 ± 8.40	0.141
Types of CS
CS of the neck type	52 (62.65)	59 (73.75)	0.129
CS of the nerve-root type	31 (37.35)	21 (26.25)
Coexisting illness, n (%)
Hypertension	10 (38.46)	1 (5.56)	0.205
Insomnia	4 (15.38)	0 (0.00)
Others	12 (46.15)	17 (94.44)
Other treatments
No	83 (100.0)	80 (100.00)	1.0000
Yes	0 (0.00)	0 (0.00)
Participants using other medicine, n (%)
No	63 (75.90)	65 (81.25)	0.406
Yes	20 (24.10)	15 (18.75)
NSAAs	0 (0.00)	0 (0.00)
others	20 (100.00)	15 (100.00)
VAS score, mean (SD)	5.55 (1.47)	5.42 (1.75)	0.613