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Table 2 Relationship of success rates of OMIs to oral hygiene, age and gender

From: Influence of interradicular and palatal placement of orthodontic mini-implants on the success (survival) rate

patient factor n (total) success rate p-value
    % n
oral hygiene good (API < 30%) 352 84.9 299 0.743
poor (API > 30%) 35 82.9 29
   387   328  
age 6–20 years old 316 86.7 274 0.002**
20–30 years old 27 85.2 23 0.287
> 30 years old 44 70.5 31 0.494
   387   328  
gender male 160 80.0 128 0.029*
female 227 88.1 200
   387   328  
  1. *p < 0.05; **p < 0.01