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Table 3 Primary predictor variable versus the primary outcome variable, alveolar osteitis (AO)

From: Effect of concentrated growth factors on frequency of alveolar Osteitis following partially-erupted mandibular third molar surgery: a randomized controlled clinical study

Day CGF-AO NonCGF-AO
  AO present
(n %)
AO absent
(n %)
AO present
(n %)
AO absent
(n %)
3a 0 (0%) 70 (100%) 8 (11.4%) 62 (88.6%)
7a 0 (0%) 70 (100%) 0 (0%) 70 (100%)
p valuea p< 0.001
Differences Pairwise Comparisonsb
CGF-NonCGF
at 3rd day
p < 0.001
CGF-NonCGF
at 7th day
1.00
3rd-7th days in CGF 1.00
3rd-7th days in NonCGF p < 0.001
  1. Abbreviations: AO alveolar osteitis, CGF concentrated growth factors
  2. aCochran’s Q test Test χ2(3) = 24
  3. bWith Bonferroni correction