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Table 3 Radiological results the two groups

From: Effect of pedicle-screw rod fixation on oblique lumbar interbody fusion in patients with osteoporosis: a retrospective cohort study

Groups ΔDH (mm) FH (mm) tCS (mm) Severe CS (> 4 mm) Fusion rate
Pre-op Post-op 3 m 6 m Last f-u 3 m 6 m Last f-u 6 m Last f-u
Combined 3.24 [2.03, 4.55] 17.18 ± 2.39 19.40 ± 2.00 18.71 ± 2.10 18.37 ± 1.98 18.22 ± 2.00 2.50 ± 1.24 3.20 ± 1.48 3.50 ± 1.50 4/25 (16%) 23/25 (92%) 25/25 (100%)
Stand-alone 3.08 [2.15, 4.33] 17.31 ± 2.14 19.87 ± 1.93 18.36 ± 2.41 17.26 ± 2.29 16.87 ± 2.34 4.15 ± 1.91 4.85 ± 2.03 5.26 ± 2.11 17/41 (41.5%) 37/41 (90.2%) 39/41 (95.1%)
Statistical value Z= -0.192 t= −0.226 t= −0.955 t= 0.599 t= 2.004 t= 2.397 t= −3.837 t= −3.522 t= −3.641 \ \ \
P value 0.848 0.822 0.343 0.551 0.049 0.019 < 0.001 0.001 0.001 0.055 1.000 0.522
  1. DH diskal height, FH foraminal height, tCS total cage subsidence