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Table 5 Cox regression model for assessment of the effect of type of retainer wire on its survival in the maxilla

From: Survival analysis of three types of maxillary and mandibular bonded orthodontic retainers: a retrospective cohort

  

Haz. ratio

95% conf. interval

P value

Lower

Upper

Retainer

Retainium (ref)

1

–

–

–

Orthoflex

1.223

.687

2.177

0.493

Bond-A-Braid

1.351

.774

2.356

0.290

Age

1.000

.966

1.036

0.964

 

Sex

Female (ref)

1

–

–

–

Male

1.245

.764

2.027

0.378

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BMC Oral Health

ISSN: 1472-6831

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