Table 3

Pharmacological treatments given to the three treatment groups

Treatment arm
Control (n = 20)CPAP (n = 20)Bilevel (n = 20)
Median dose (IQR) given in two hour study period (mg)
Frusemide90 (80 to 153)80 (65 to 128)80 (80 to 80)
    Sublingual suscard buccal4.0 (0.5 to 5.0)5.0 (0.5 to 5.0)1.0 (0 to 5.0)
    Intravenous glyceryl trinitrate2.92 (0 to 6.48)2.84 (0.71 to 10.50)3.42 (0.95 to 6.69)
Total nitrate dose5.5 (3.4 to 8.6)5.4 (2.9 to 14.6)5.1 (3.5 to 7.6)
Diamorphine1.25 (0 to 3.25)1.75 (0 to 2.5)2.00 (0.25 to 2.5)
Proportion (%) of patients receiving
Nebulisers604020
Prehospital sublingual nitrate455535
Intravenous glyceryl trinitrate707585