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Table 1 Distribution of the fusion scores, comparing the cases to controls at each follow-up

From: Does partial coating with titanium improve the radiographic fusion rate of empty PEEK cages in cervical spine surgery? A comparative analysis of clinical data

  6 months 12 months 18 months
  25th % Median 75th % 25th % Median 75th % 25th % Median 75th %
Cases 4 6 6 5.5 6 6 6 6 6
Controls 3 5 6 5 6 6 6 6 6
p-value 0.110 0.331 0.984