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Table 3 Comparison of preoperative and intermediate postoperative values (paired t-test)

From: Acoustic rhinometry and video endoscopic scoring to evaluate postoperative outcomes in endonasal spreader graft surgery with septoplasty and turbinoplasty for nasal valve collapse

Variable Mean of difference 95 % CI Significance
INV collapse grading 0.859 0.528–1.190 <0.001
INV cross-sectional area (cm2) 0.075 0.005–0.145 0.036
NOSE 6.9 4.9–8.9 <0.001
SNOT-22 19.1 12.5–25.7 <0.001
  1. CI confidence interval, INV internal nasal valve, NOSE nasal obstruction symptom evaluation scale, SNOT sino-nasal outcome tool