Table 5 Spearman correlation coefficients between antero-posterior diameter of the spinal canal and radiographic spino-pelvic angles (n = 14).

Sacral slope

0.189

−0.044

0.526

0.066

0.113

0.086

Pelvic tilt

0.321

0.023

−0.206

0.230

−0.262

−0.210

Pelvic incidence

0.387

0.008

0.151

0.179

−0.098

−0.001

Lumbar lordosis

0.659*

0.516

0.887*

0.410

−0.105

−0.014

Thoraco-lumbar kyphosis

−0.461

−0.547*

−0.355

−0.189

−0.367

−0.179