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Table 4 Functional outcome 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

  Excellent Good Fair Poor
Group A 18 (51.4 %) 12 (34.3 %) 5 (14.3 %) 0
Group B 19 (55.9 %) 11 (32.3 %) 4 (11.8 %) 0
p-value NS NS NS NS
  1. Abbreviation: NS not significant
  2. Data were compared by chi-square test. No significant difference existed between the two groups (p > 0.05)