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Table 1 Comparison of OHIP-14 and its domains in the pre-and postoperative periods

From: Long transmaxillary implants improve oral health-related quality of life of patients with atrophic jaws-a case series

OHIP-14 Preoperative Postoperative P value
Median (min-max)
D1 6 (2–8) 0 (0–3) 0.002
D2 5 (1–8) 0 (0–3) 0.002
D3 7.5 (1–8) 0 (0–4) 0.002
D4 7.5 (2–8) 0 (0–1) 0.002
D5 8 (3–8) 0 (0–4) 0.002
D6 2 (0–8) 0 (0–0) 0.003
D7 4 (8–8) 0 (0–0) 0.003
Total 38 (21–53) 1 (0–8) 0.002
  1. Wilcoxon test of paired samples with a significance level of 0.05. Bold values indicate statistical significance. OHIP-14 domains: D1, functional limitation; D2, physical pain; D3, psychological discomfort; D4, physical disability; D5, psychological disability; D6, social disability; D7, handicap