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Table 4 Comparison of HR measurements between the two patient groups (mean ± SD)

From: Comparative effectiveness of two different interbody fusion methods for transforaminal lumbar interbody fusion: cage versus morselized impacted bone grafts

 

Group 1

Group 2

 

L4/5

L5/S1

L4/5

L5/S1

HR

    

Preop

0.37 ± 0.09

0.34 ± 0.18

0.31 ± 0.19

0.34 ± 0.12

Postop

0.46 ± 0.11

0.45 ± 0.14

0.45 ± 0.07

0.45 ± 0.13

Final follow-up

0.45 ± 0.09

0.44 ± 0.16

0.44 ± 0.13

0.44 ± 0.09

P value 1

0.000

0.000

0.000

0.000

P value 2

0.521

0.325

0.238

0.104

  1. P value 1: the difference between the pre- and postoperative HR
  2. P value 2: the difference between the postoperative and the final follow-up HR
  3. No significant differences between groups 1 and 2 at every period
  4. HR: ratio of the height of the disc to the height of the superior vertebral body
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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