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Table 5 Comparisons of pre-and post-operative scores for the visual analogue scale (VAS), Oswestry disability index (ODI), and detailed VAS for low back pain while in motion, standing, and sitting in groups A and B

From: Influence of pelvic incidence-lumbar lordosis mismatch on surgical outcomes of short-segment transforaminal lumbar interbody fusion

   Group A Group B p value
Nakai score   2.59 ± 0.50 2.07 ± 0.78 p = 0.008
Low back pain (LBP) Pre-op 48.9 ± 27.5 63.2 ± 22.6 p = 0.046
  Post-op 14.1 ± 19.4 23.8 ± 20.9 NS (p = 0.096)
Lower extremity pain Pre-op 68.2 ± 24.8 66.9 ± 25.3 NS
  Post-op 13.7 ± 19.2 20.9 ± 23.3 NS
Lower extremity numbness Pre-op 62.8 ± 27.4 64.3 ± 32.0 NS
  Post-op 11.7 ± 17.3 20.2 ± 26.7 NS
ODI Pre-op 41.3 ± 15.4 47.4 ± 18.7 NS
  Post-op 17.1 ± 13.1 22.0 ± 15.7 NS
LBP while in motion Pre-op 49.1 ± 35.2 55.6 ± 32.2 NS
  Post-op 19.2 ± 26.0 22.6 ± 23.9 NS
LBP while standing Pre-op 63.8 ± 30.9 73.0 ± 25.0 NS
  Post-op 11.9 ± 17.6 25.8 ± 26.7 p = 0.039
LBP while sitting Pre-op 37.0 ± 27.4 43.9 ± 27.2 NS
  Post-op 12.3 ± 17.3 16.1 ± 19.4 NS
  1. Nakai score: 3 = excellent to 0 = poor; VAS scores: 0–100 mm
  2. Values are expressed as the mean ± standard deviation. NS is non-significant at p > 0.05