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Table 1 Characteristics of the study group

From: Patients’ appreciation of pre-implant augmentation of the severely resorbed maxilla with calvarial or anterior iliac crest bone:a randomized controlled trial

  Total group Calvarium group Anterior iliac crest group Comparing groups
n = 20 n = 10 n = 10 Test statistic p-value*
Sex     Pearson-χ2-test  
 Male 9 5 4 0.202 1.000
 Female 11 5 6   
Number of implants placed      
 Participants with 4 implants 10 8 8   
 Participants with 6 implants 10 2 2   
Number of implants lost 2 1 1   
  Median (IQR) Median (IQR) Median (IQR) Mann-Whitney U
Age at implant placement (years) 65.4 (56.4;71.1) 68.4 (54.6;72.7) 63.5 (56.5;69.3) 41.000 .529
Time between augmentation and implant placement (days) 133 (126;145) 140 (131;152) 126 (119;133) 17.500 .011
  1. Results are presented as the number or the median (interquartile ranges: IQR)
  2. *Exact sig. (2-sided)