Table 2 P-values for the intergroup differences between the fusion group and pseudarthrosis group in SUVmax, Ki, K1/k2, k3/(k2 + k3) at six weeks and one year after PLIF for the six ROIs. A red font was used to indicate p-values ≤ 0.05

FUSION

vs.

PSEUDARTHROSIS

segments

endUP_C

0.393

0.573

0.813

0.694

0.863

0.0579

0.739

0.218

inter_C

0.631

0.426

0.461

0.720

0.918

0.654

0.809

0.503

endLOW_C

0.208

0.918

0.803

0.223

1.000

0.863

0.512

0.468

endUP

0.315

0.152

0.036

0.175

0.282

0.756

0.605

0.809

inter

0.005

0.001

0.030

0.173

0.223

0.251

0.387

0.043

endLOW

0.796

0.552

0.554

0.882

0.074

0.315

0.912

0.447