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Table 1 Pre-treatment variables

From: The effect of vestibular, lingual, and aligner appliances on the quality of life of adult patients during the initial stages of orthodontic treatment

  Vestibular Lingual Aligner V-L V-A L-A
P signif.
n 41 37 39    
Mean age (+−SD) 26.4 (+−7.3) 30 (+−6.9) 27.8 (+−6.9) P < 0.05 NS NS
Gender (male:female) 19:22 17:20 18:21 NS NS NS
Marital status (married:single) 14:27 11:26 13:26 NS NS NS
Education level (secondary:tertiary) 2:39 0:37 0:39 NS NS NS
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