Abstract P6
20052006
Mean age (years)68 (SD 8.8)68 (SD 11)
Male16/30 (53%)25/43 (58%)
History of T2RF6/30 (20%)10/43 (23%)
FEV10.69L (SD 0.19)0.89L (SD 0.52)
Brought by ambulance16/30 (53%)32/43 (74%)
O2 ⩾40% in the ambulance13/16 (81%)20/32 (63%)
Blood gas performed26/30 (87%)35/43 (81%)
    Mean pH7.363 (SD 0.12)7.402 (SD 0.13)
    pH <7.38/26 (SD 31%)6/35 (SD 17%)
    Mean PaCO27.58 kPa7.44 kPa