The solution overcomes the drawbacks inherent in the current home
monitoring of patients' lung capacity, whereby results are recorded
manually and viewed retrospectively by GPs, by automating the 
process
to provide more accurate, real time information.  During the trial,
which ran from February 2003 -February 2004, 100 mild to moderate
asthma sufferers aged 12 to 55 from 9 GP surgeries  measured their
lung capacity by using a peak flow meter attached to an O2 xda mobile
device. 