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Table 3 Prevalence of physician-diagnosed asthma and respiratory symptoms in the whole sample and among the subjects reporting allergic rhinitis ever, nasal blocking and runny nose.

From: Allergic rhinitis in northern vietnam: increased risk of urban living according to a large population survey

Symptoms or conditions Whole sample Allergic rhinitis ever   P-value Nasal blocking   P-value Runny nose   P-value
   Yes No   Yes No   Yes No  
Physician diagnosed asthma 3.9 10.4 2.5 < 0.001 7.4 2.0 < 0.001 5.8 2.6 < 0.001
Last 12 months wheeze 4.2 9.3 3.2 < 0.001 7.6 2.4 < 0.001 7.2 2.3 < 0.001
Recurrent wheeze 3.9 8.9 2.6 < 0.001 7.1 1.9 < 0.001 6.6 1.8 < 0.001
Long standing cough 15.9 24.3 14.1 < 0.001 28.8 9.0 < 0.001 24.6 10.2 < 0.001
Sputum production 13.9 21.8 12.3 < 0.001 21.8 9.7 < 0.001 20.4 9.7 < 0.001
  1. Difference (p-value) for each symptom between those with and without each nasal condition