Table 1.

Demographic data

Variable	Male (n=21)	Female (n=26)	Total (n=47)
Age (yr)	46.90±14.74	48.57±15.73	48.29±14.47
Follow-up length (day)	114.90±92.78	117.95±73.90	126.38±88.90
Four-line Cobb’s angle (º)	-2.10±9.31	0.73±10.66	-0.53±10.07
Posterior tangent method (º)	-7.68±9.43	-2.87±8.44	-5.02±9.12
SVA (mm)	21.58±15.14	17.12±6.62	19.11±11.33
Pain (NRS, 0–10)	6.03±2.36	6.00±1.85	6.04±1.93

Values are presented as mean±standard deviation.

SVA, sagittal vertical axis; NRS, numerical rating scale.

There were no significant differences in age, follow-up length, 4-line Cobb’s angle, posterior tangent method, SVA, and pain between male and female groups.