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Table 1 Demographic data of included patients

From: Clinical applications of concentrated growth factors combined with bone substitutes for alveolar ridge preservation in maxillary molar area: a randomized controlled trial

Characteristics CGFs/DBBM group (n = 12) DBBM group
(n = 12)
Control group
(n = 12)
P value
Gender (male/female) (n) 7/5 8/4 6/6 0.911a
Age (years, mean ± SD) 48 ± 8 52 ± 7 45 ± 10 0.174b
Tooth position (first molar/second molar) (n) 8/4 10/2 9/3 0.887a
Reason for extraction (residual root and crown/tooth fracture/chronic periapical lesion) (n) 6/4/2 5/5/2 6/3/3 0.963a
  1. aFisher exact test
  2. bOne-way ANOVA