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Table 2 Group comparisons of preoperative, postoperative and change in VAS obstruction scores among patients who completed both the preoperative and the postoperative questionnaires

From: Evaluation of strategies for increasing response rates to postal questionnaires in quality control of nasal septal surgery

VAS for nasal obstruction Total N = 99 Mean ± SD Group A, N = 47 Mean ± SD Group B, N = 52 Mean ± SD p value*
Day
 Preop 60.0 ± 21.5 60.4 ± 21.1 59.7 ± 22.2 0.85
 Postop 23.9 ± 20.6 26.7 ± 20.5 22.9 ± 21.0 0.67
 Change 35.4 ± 26.5 31.1 ± 23.9 38.2 ± 27.9 0.31
Night
 Preop 73.0 ± 19.7 71.9 ± 21.2 74.8 ± 19.1 0.66
 Postop 29.5 ± 24.9 34.0 ± 24.9 29.0 ± 24.4 0.59
 Change 43.8 ± 26.8 38.0 ± 27.7 45.7 ± 26.2 0.51
Activity
 Preop 64.9 ± 25.5 68.1 ± 23.8 62.2 ± 27.3 0.27
 Postop 26.2 ± 22.9 32.9 ± 24.4 23.1 ± 21.1 0.03
 Change 39.8 ± 27.4 35.3 ± 29.6 41.4 ± 24.4 0.42
  1. Group A standard routine, Group B modified routine
  2. Italic p value is statistically significant (p < 0.05)