Airway responsiveness and atopy in families of patients with asthma

Table 3: Likelihood of asthma, asymptomatic AHR and atopy according to parents' history of these conditions
  Number of parents affected; % of offspring affected
Condition Group 2 1 0
Asthma Group A* 83 40 20
  Group C# NA~ NA NA
AAHR Group A 78 32 23
  Group C 100 70 28
Atopy Group A 79 78 53
  Group C 89 53 31
*Includes initial patient with asthma, n = 122.
#Includes subjects matched with the initial patients with asthma in group A, n = 122.
~NA = not applicable.

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