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Table 3 Correlation analysis results (overall, by sex and age groups)

From: Agreement between self-reported asthma symptoms and exhaled nitric oxide levels: impact on inhaled corticosteroid prescribing in general practice. An observational study

 

FeNO * ACT correlation

p-value

N

Overall

0.195

0.120

65

Male

− 0.244

0.134

39

Female

0.539a

0.004

26

Less than 40 years old

0.037

0.837

33

40 years old and higher

0.282

0.117

32

  1. aMarks a significant correlation at 99% confidence interval