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Table 2 Baseline characteristics of the replication sample

From: Different contribution of BRINP3 gene in chronic periodontitis and peri-implantitis: a cross-sectional study

  Healthy peri-implant tissue (n = 185) Peri-implantitis group (n = 92) p-value
Ethnic Group    
Whites 176 (95.1%) 91 (98.9%) 0.17
Non-Whites 9 (4.9%) 1 (1.1%)
Mean Age in Years 53.13 ± 11.46 54.63 ± 10.44 0.29
Sex    
Females 122 (66%) 56 (60.9%) 0.43
Males 63 (34%) 36 (39.1%)
Smoking Status    
Non-Smoking 142 (76.8%) 74 (80.4%) 0.54
Smoking 43 (23.2%) 18 (19.6%)
Implant Loss    
Single - 69 (75%)  
Multiple - 23 (25%)  
Periodontal Status (partially edentulous subjects; n = 236) (n = 151) (n = 85)  
Gingival index 0.64 ± 0.37 0.65 ± 0.53 0.89
Plaque index 0.12 ± 0.23 0.23 ± 0.41 0.96
Calculus index 0.07 ± 0.12 0.13 ± 0.24 0.28
Probing Pocket Depth (mm) 2.72 ± 0.46 2.54 ± 0.47 0.005
Clinical Attachment Loss (mm) 3.62 ± 0.85 3.66 ± 1.07 0.76
Mobility 19 15 0.33