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Table 2 Descriptive distribution of overall and domain-specific OHIP-14 scores

From: Association between gingival bleeding and gingival enlargement and oral health-related quality of life (OHRQoL) of subjects under fixed orthodontic treatment: a cross-sectional study

  Number of items Mean OHIP-14 Median OHIP-14 scores Possible range Observed range
   scores (±SD) (P25 –P75)   
OHIP-14 ( overall scale ) 14 2.74 (±2.10) 2 (0–8) 0-56 0-8
Domains  
  Functional limitation 2 0.21 (±0.41) 0 (0–1) 0-8 0-1
  Physical pain 2 0.25 (±0.63) 0 (0–2) 0-8 0-2
  Psychological discomfort 2 1.95 (±0.93) 2 (0–2) 0-8 0-4
  Physical disability 2 0.51 (±0.21) 0 (0–1) 0-8 0-1
  Psychological disability 2 0.26 (±0.78) 0 (0 – 0 0-8 0-3
  Social disability 2 0 (0) 0 (0) 0-8 0
  Handicap 2 0 (0) 0 (0) 0-8 0