Table 2—

Outcome measures of health status, lung function and quality of life

Outcome measureSubjects nMean±sd
SF-12 PCS40444.8±10.9
Asthma severity score4046.9±5.4
FEV1 % predicted#21885.1±18.1
Asthma QoL score34016.2±14.7
  • SF-12 PCS: Short Form-12 Physical Component Scale; FEV1: forced expiratory volume in one second; % pred: % predicted; QoL: quality of life. #: only available among subjects completing a study home visit; : available for subjects with asthma only (one subject missing data).