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Table 6 Degeneration comparison of OLIF group and TLIF group

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
Incidence of ADD
 L3-4 7/36 (19.44%) 9/36 (25%) 0.778
 L3-4 & L5-S1 2/36 (5.56%) 3/36 (8.33%) 1.000
 L5-S1 3/36 (8.33%) 6/36 (16.67%) 0.478
 Total 12/36 (33.33%) 18/36 (50%) 0.232
Incidence of AJD
 L3-4 14/36 (38.89%) 15/36 (41.67%) 0.500
 L3-4 & L5-S1 8/36 (22.22%) 8/36 (22.22%) 1.000
 L5-S1 8/36 (22.22%) 5/36 (13.89%) 0.541
 Total 30/36 (83.33%) 28/36 (77.78%) 0.767
Incidence of ASDeg
 L3-4 4/36 (11.11%) 6/36 (16.67%) 0.735
 L3-4 & L5-S1 1/36 (2.78%) 1/36 (2.78%) 1.000
 L5-S1 2/36 (5.56%) 3/36 (8.33%) 1.000
 Total 7/36 (19.44%) 10/36 (27.78%) 0.580