a trend towards significancep = 0.06
Unstable patients had a significantly lower mean FEV 1 % predicted (69.7% v 62.4%; p = 0.016), worse mean SGRQ score (40.1 v 50.0; p = 0.019) and mean CAT score (14.0 v 21.0; p = 0.006), and higher mean CRP levels with a trend towards significance (3.0 v 4.5; p = 0.06).