Table 1: Radiograph and

clinical outcomes of patients N = 126.

Z

p

Presurgical lordosis - last follow-up lordosis

−3.151

0.002

Immediate postsurgical subsidence - last follow-up subsidence

−4.418

0.001

Presurgical Nurick - Nurick at last follow-up

−3.464

0.001

Wilcoxon signed ranks test.