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Table 2 Characteristics of the study sample at baseline and differences between centers

From: The influence of immediately loaded implant treatment in the atrophic edentulous maxilla on oral health related quality of life of edentulous patients: 3-year results of a prospective study

Variable Center 1 Center 2 Center 1 + 2 Significance
Gender
 Male 17 7 24 sa 0.0135
 Female 9 18 27 sa 0.0135
Age (mean) 61.15 70.60 65.8 sb 0.0002
Status opposing dentition
 Natural teeth 21 19 40 nsc
 Fixed prosthesis 7 13 20 nsc
 Removable prosthesis 16 10 26 nsc
 Implant supported prosthodontics 5 3 8 nsc
  1. ssignificant
  2. ns non significant
  3. aFisher’s exact test. Two-sided p-value
  4. bWilcoxon rank sum test. Two-sided p-value
  5. cFisher’s exact test. Two-sided p-value