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Table 3 Correlations between RCSA of psoas and spinal-pelvic parameters

From: Association between back muscle degeneration and spinal-pelvic parameters in patients with degenerative spinal kyphosis

  SVA TK TLK LL PI PT SS
L1/2
RCSA
r = −0.227, p = 0.220 r = 0.177, p = 0.340 r = 0.055, p = 0.769 r = 0.152, p = 0.415 r = −0.058, p = 0.758 r = −0.148, p = 0.428 r = 0.080, p = 0.670
L2/3
RCSA
r = −0.305, p = 0.095 r = −0.000, p = 0.998 r = 0.156, p = 0.401 r = 0.130, p = 0.486 r = −0.151, p = 0.418 r = −0.098, p = 0.598 r = − 0.065, p = 0.729
L3/4
RCSA
r = −0.040, p = 0.831 r = 0.199, p = 0.282 r = 0.220, p = 0.235 r = 0.170, p = 0.360 r = −0.018, p = 0.924 r = −0.037, p = 0.842 r = 0.054, p = 0.773
L4/5
RCSA
r = 0.110, p = 0.556 r = 0.076, p = 0.683 r = 0.141, p = 0.449 r = 0.180, p = 0.331 r = 0.146, p = 0.434 r = 0.033, p = 0.861 r = 0.122, p = 0.515
L5/S1
RCSA
r = 0.030, p = 0.873 r = 0.199, p = 0.282 r = 0.310, p = 0.090 r = −0.047, p = 0.800 r = 0.078, p = 0.676 r = 0.167, p = 0.369 r = −0.076, p = 0.684