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Table 1 Comparison of baseline patients data

From: Comparative analysis of the effects of OLIF and TLIF on adjacent segments after treatment of L4 degenerative lumbar spondylolisthesis

  OLIF group (n = 36) TLIF group (n = 36) P value
Gender (M/F) 6/30 10/26 0.396
Age (years) 58.52 ± 7.26 59.88 ± 7.04 0.629
Body mass index (kg/m2) 25.16 ± 2.66 24.87 ± 2.42 0.713
Follow-up time (months) 43.13 ± 3.24 44.42 ± 4.54 0.932
Cage height (mm) 12.08 ± 0.84 9.97 ± 1.06  < 0.001