Table 2 Correlations between RCSA of erector spinae and spinal-pelvic parameters

L1/2

RCSA

r = 0.030, p = 0.873

r = -0.230, p = 0.205

r = -0.138, p = 0.452

r = 0.082, p = 0.654

r = 0.323, p = 0.076

r = 0.242, p = 0.190

r = 0.111, p = 0.552

L2/3

RCSA

r = 0.222, p = 0.221

r = −0.101, p = 0.581

r = −0.008, p = 0.966

r = 0.222, p = 0.223

r = 0.319, p = 0.081

r = 0.262, p = 0.155

r = 0.086, p = 0.644

L3/4

RCSA

r = 0.102, p = 0.586

r = 0.154, p = 0.399

r = −0.183, p = 0.317

r = 0.179, p = 0.326

r = 0.377, p  = 0.037*

r = 0.140, p = 0.454

r = 0.263, p = 0.153

L4/5

RCSA

r = 0.338, p = 0.058

r = 0.001, p = 0.995

r = −0.249, p = 0.170

r = 0.319, p = 0.075

r = 0.288, p = 0.116

r = −0.126, p = 0.501

r = 0.420, p  = 0.019*

L5/S1

SCSA

r = 0.342, p = 0.060

r = −0.048, p = 0.793

r = −0.148, p = 0.419

r = 0.086, p = 0.641

r = 0.109, p = 0.561

r = −0.067, p = 0.719

r = 0.177, p = 0.340