Table 1

Characteristics of study subjects

ControlNon-fatal asthmaFatal asthma
(n=8)(n=8)(n=8)
FEV1=forced expiratory volume in 1 second; NA=not available.
M/F5/34/44/4
Mean (SD) age (years)38 (14)39 (17)31 (16)
Bronchodilators088
Inhaled steroids028
Oral steroids006
Asthma symptomsNilWeekly (3), occasional (5)Daily (7), occasional (1)
Time off work or in hospital due to asthmaNil17
Mean (range) duration of asthma (years)Nil14 (2–36)18 (2–40)
Mean (range) FEV1 (% pred)NANA68 (35–90)