0 min | 120 min | ‘p’ value | |
---|---|---|---|
*Group A: nebulised magnesium sulphate + salbutamol; group B: salbutamol alone. †Values are mean (SD). | |||
Pao2 (mm Hg) | |||
Group A | 81.0 (8.9) | 89.3 (4.3) | 0.000 |
Group B | 82.2 (8.6) | 90.2 (4.0) | 0.000 |
Paco2 (mm Hg) | |||
Group A | 33.5 (6.8) | 37.3 (5.4) | 0.000 |
Group B | 34.5 (8.5) | 37.3 (4.6) | 0.001 |
Magnesium (mmol/l) | |||
Group A | 2.02 (0.18) | 1.92 (0.21) | 0.002 |
Group B | 1.94 (0.21) | 2.12 (0.25) | 0.000 |
p value (group A v B) | 0.042 | 0.000 |