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Table 4 Multiple linear regression analysis of influencing factors and CA

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 LL − 0.335 0.043 − 7.749 < 0.001 0.705
PI 1.519 0.093 15.781 < 0.001  
PT − 0.558 0.100 − 5.569 < 0.001  
Constant − 31.079 3.753 − 8.281 < 0.001  
Concave or convex LMA at upper or lower intervertebral level of the apical vertebra Upper intervertebral level LMA      0.500
 Concave 4.226 1.254 3.369 0.001
 Convex − 8.123 1.000 − 8.122 < 0.001  
Lower intervertebral level LMA     
 Concave 13.343 1.253 10.645 < 0.001
 Convex − 4.272 0.850 − 5.024 < 0.001  
Constant 4.522 3.573 1.266 0.208
  1. CA coronary Cobb angle, LL lumbar lordosis, PI pelvic incidence, PT pelvic tilt, LMA lumbar multifidus atrophy