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Table 1 Demographic comparisons by group

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

Demographic characteristic

Total N = 160

Group A (standard) N = 80

Group B (modified) N = 80

p value

Age, mean ± SD

35.3 ± 12.0

34.1 ± 11.3

36.5 ± 12.7

0.21*

Gender, n (%)

0.18**

 Females

53 (33.1)

31 (38.8)

22 (27.5)

 

 Males

107 (66.9)

49 (61.2)

58 (72.5)

 
  1. * Independent sample t test
  2. ** Chi square test