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Table 6 Disc height (mm) of the two groups

From: Comparison of the PEEK cage and an autologous cage made from the lumbar spinous process and laminae in posterior lumbar interbody fusion

  Preoperative Postoperative
Group A 21.91 ± 3.75 45.43 ± 3.51
Group B 21.50 ± 4.77 43.29 ± 3.62
p-value NS NS
  1. Abbreviation: NS not significant
  2. Data presented as mean ± SD. P value was compared by Student’s t-test. Significant differences existed between pre- and postoperative disc height in both groups (P < 0.05); no significant difference existed between the two groups (p > 0.05)