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Table 4 Prevalence of self-reported symptoms in last 12 months for ‘Current asthma’ subjects(n = 450) and total sample(n = 6003)

From: Prevalence of asthma in Portugal - The Portuguese National Asthma Survey

  Current asthma subjects, % (95%CI) Total sample, % (95%CI)
Asthma Symptoms   
  Wheeze 89.0 (85.8-91.6)* 18.1 (16.8-19.4)
  Nocturnal symptoms 75.8 (70.8-80.2)* 35.6 (33.9-37.3)
  Waking with breathlessness 36.4 (30.7-42.6)* 6.8 ( 5.9- 7.7)
  Waking with tightness in the chest 39.2 (33.3-45.4)* 11.9 (10.9-13.1)
  Waking with cough 55.7 (49.1-62.0)* 28.0 (26.4-29.7)
  Attack of asthma 46.9 (41.4-52.4)* 3.2 ( 2.6- 3.9)
Sputum for at least 3 months 45.4 (39.0-51.9)* 18.5 (17.1-19.9)
Blocked nose 27.5 (22.4-33.3)* 12.5 (11.4-13.7)
Sinus pressure 25.0 (20.4-30.3)* 11.2 (10.2-12.4)
  1. *p < 0.001.