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Table 2 Demographic characteristics of included patients

From: Patient’s perception of recovery after osteotome-mediated sinus floor elevation with Bio-Oss collagen compared with no grafting material: a randomized single-blinded controlled trial

  OMSFE with Bio-Oss collagen OMSFE without grafting material P value
Gender (male/female) 3/17 10/10 0.04*
Age at the time of OMSFE, mean (SD) 50.2 year (SD: 14.2) 48.1 year (SD: 9.1) 0.59
Smoking habits 0 1 1.00
Residual alveolar bone height (mm) at implant site, mean (SD) 6.8 (0.9) 7.2 (1.1) 0.36
Width of the alveolar ridge (mm) at implant site, mean (SD) 9.1 (0.6) 9.1 (0.8) 0.82
Implant location (second premolar) 9 5  
Implant location (first molar) 11 12  
Implant location (second molar) 0 3  
Number of implants with 3.6 mm diameter 1 0  
Number of implants with 4.2 mm diameter 7 5  
Number of implants with 4.8 mm Diameter 12 15  
Implant surface protruding into the sinus (mm), mean (SD) 6.2 (0.9) 5.9 (1.1) 0.18
  1. OMSFE Osteotome-mediated sinus floor elevation; SD Standard deviation
  2. *Statistically significant