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Table 4 The adjacent segment degeneration of cephalad spinal disc (L3/4)

From: May the midline lumbar interbody fusion (MIDLIF) prevent the early radiographic adjacent segment degeneration? A minimum 3-year follow-up comparative study of MIDLIF in L4/5 with cortical bone trajectory screw versus traditional pedicle screw fixation

  PS Group CBT Group   p Value
Pre-operative (I:II:III:IV:V) 45:39:27:3:0 26:30:12:6:0 Fisher 0.2
Last FU (I:II:III:IV:V) 9:12:33:48:12 18:22:16:12:6   0.02
   Fisher / /
p Value 0.00 0.02 / /
  1. I: the number of patients of Pfirrmann classification Grade I; II: the number of patients of Pfirrmann classification Grade II; III: the number of patients of Pfirrmann classification Grade III; IV: the number of patients of Pfirrmann classification Grade IV; V: the number of patients of Pfirrmann classification Grade V
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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