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Table 2 Between and within-group comparison of alveolar bone area in C-, M-, and D-sections for the three groups. (mm2, Mean ± SD)

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

Parameter Group Baseline 8 month postoperative Difference value P valueb
C-section CGFs/DBBM (n = 12) 144.71 ± 19.54 131.96 ± 18.45 12.75 ± 2.22  < 0.001
  DBBM (n = 12) 134.59 ± 21.84 120.51 ± 20.59 14.08 ± 2.51  < 0.001
  Control (n = 12) 141.63 ± 24.05 96.59 ± 24.54 45.04 ± 8.38  < 0.001
P valuea      < 0.001  
M-section CGFs/DBBM (n = 12) 160.96 ± 21.54 146.27 ± 20.23 14.69 ± 2.82  < 0.001
  DBBM (n = 12) 146.23 ± 23.71 130.81 ± 24.03 15.42 ± 3.47  < 0.001
  Control (n = 12) 139.82 ± 26.07 107.84 ± 22.91 31.98 ± 8.34  < 0.001
P valuea      < 0.001  
D-section CGFs/DBBM (n = 12) 163.49 ± 22.53 146.54 ± 23.69 16.95 ± 4.17  < 0.001
  DBBM (n = 12) 159.38 ± 21.88 143.29 ± 19.21 16.09 ± 3.97  < 0.001
  Control (n = 12) 144.71 ± 26.27 112.86 ± 24.26 31.85 ± 8.52  < 0.001
P valuea      < 0.001  
  1. aOne-way ANOVA
  2. bPaired Student's t test
  3. P < 0.05 (difference value post hoc LSD-t test, statistically significant difference compared with control group)
  4. P < 0.05 (difference value post hoc LSD-t test, statistically significant difference compared with DBBM group)