Correlation coefficient (r) between sagittal spine parameters and pelvic measures for patients with AS | Age | BMI | SVA | TPA | SS | PT | PI | GK | TLK | LL |
---|---|---|---|---|---|---|---|---|---|---|
Age | 0.153 | 0.129 | 0.175 | − 0.337* | 0.323* | 0.005 | 0.367* | 0.446* | − 0.148 | |
Body mass index (BMI) | 0.162 | 0.225 | −0.197 | 0.233 | 0.066 | 0.376* | 0.265 | − 0.088 | ||
Sagittal vertical axis (SVA) | 0.857* | −0.462 | 0.665* | 0.208 | 0.138 | 0.353* | − 0.720* | |||
T1 pelvic angle (TPA) | −0.618* | 0.899* | 0.287 | 0.228 | 0.412* | −0.750* | ||||
Sacral slope (SS) | −0.594 | 0.420 | −0.198 | −0.563* | 0.843* | |||||
Pelvic tilt (PT) | −0.608* | 0.316* | 0.407* | 0.420* | ||||||
Pelvic incidence (PI) | 0.118 | −0.191 | 0.246 | |||||||
Global kyphosis (GK) | 0.512* | 0.094 | ||||||||
Thoracolumbar kyphosis (TLK) | −0.403* | |||||||||
Lumbar lordosis (LL) |