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. 2017 May 4;10:1019–1025. doi: 10.2147/JPR.S132862

Table 3.

Comparison of radiographic parameter between PLBP group and N-PLBP group

Variables PLBP group (n=16) N-PLBP group (n=205) p-value
Preoperative lumbar lordosis 26.2±6.7 24.6±2.9 0.070
Correction of lumbar lordosis 2.4±1.0 1.9±0.9 0.079
Modic changes 2/14 32/172 0.734
Preoperative paraspinal muscle degeneration (FIR) 15.6±6.6 11.5±7.3 0.031

Abbreviations: PLBP, persistent low back pain; N-PLBP, non-persistent low back pain; FIR, fatty infiltration rate.