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Table 9 Changes in disc height, segmental lordotic angle, and lumbar lordotic angle

From: Outcomes of oblique lateral interbody fusion for degenerative lumbar disease in patients under or over 65 years of age

   ≤ 65 (group A) > 65 (group B) p value
Disc height: mm (range) Pre-OP 8.6 ± 2.9 (0.0–16.6) 8.9 ± 3.0 (2.9–14.7) 0.5327
Post-OP 13.4 ± 1.8 (10.6–17.0) 13.9 ± 2.4 (9.0–18.9) 0.2196
Final follow-up 12.3 ± 1.7 (8.5–16.4) 12.9 ± 2.1 (5.6–16.2) 0.6108
Segmental lordotic angle: degree (range) Pre-OP 10.1 ± 7.8 (− 16.4–25.1) 9.4 ± 6.3 (−0.3–24.6) 0.6590
Post-OP 15.2 ± 6.2 (1.5–28.2) 14.9 ± 6.0 (0.1–27.8) 0.0703
Final follow-up 14.9 ± 6.4 (1.5–28.0) 14.2 ± 6.2 (0.8–32.6) 0.1645
Lumbar lordotic angle: degree (range) Pre-OP 37.0 ± 12.2 (5.6–56.5) 38.3 ± 11.8 (17.3–59.9) 0.6633
Post-OP 42.5 ± 9.9 (24.3–64.8) 43.8 ± 8.5 (24.4–57.2) 0.3159
Final follow-up 41.9 ± 9.4 (25.3–63.7) 42.4 ± 13.1 (0.1–57.9) 0.3059
  1. OP operation