Table 2.
Comparison of the clinical and radiologic outcomes between the two groups

Values are expressed as means±SD. *Inter-group comparison of the Cobb angle, †Intra-group comparison of preoperative and postoperative values, ‡Intra-group comparison of postoperative and last-follow up values, §Intra-group comparison of preoperative and last-follow up values. VAS : visual analogue scale, LBOS : Low Back Outcome Score