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Table 6 Multiple linear regression analysis of influencing factors and CVA

From: Correlation between multifidus muscle atrophy, spinopelvic parameters, and severity of deformity in patients with adult degenerative scoliosis: the parallelogram effect of LMA on the diagonal through the apical vertebra

Influencing factors Variables B value Standard error t value P value R2 value
Spinopelvic parameters PI 0.271 0.20 13.550 < 0.001 0.764
PT − 0.237 0.018 − 13.549 < 0.001  
SS − 0.182 0.018 − 10.156 < 0.001  
Constant − 1.159 0.361 − 3.215 0.002  
Concave or convex LMA at the upper or lower intervertebral level of the apical vertebra Upper intervertebral level LMA      0.050
 Concave 0.364 0.163 2.229 0.028
 Convex − 0.296 0.116 − 2.545 0.012
 Constant 1.700 0.375 4.535 < 0.001
  1. PI pelvic incidence, PT pelvic tilt, SS sacral slope, CVA coronal vertical axis, LMA lumbar multifidus atrophy