Heart rate, spontaneous respiratory rate, SaO2, tcPO2 and tcPCO2 immediately before salbutamol treatment: mean (SEM)
| Device used | Heart rate (beats per min) | Respiratory rate (breaths per min) | SaO2(%) | tcPO2 (mm Hg) | tcPCO2 (mm Hg) |
|---|---|---|---|---|---|
| Study 1: | |||||
| 1 (MDI) | 139.7 (4.1) | 42.3 (4.1) | 94.3 (1.2) | 62.9 (3.5) | 33.5 (1.3) |
| 2 (Jet) | 138.5 (4.0) | 40.5 (1.4) | 94.4 (1.0) | 62.1 (3.1) | 33.4 (1.6) |
| 3 (Ultrasonic) | 139.7 (3.9) | 41.0 (1.2) | 95.6 (1.2) | 62.5 (3.5) | 34.0 (1.4) |
| p2-150 | 0.784 | 0.811 | 0.655 | 0.886 | 0.887 |
| Study 2: | |||||
| 1 (MDI) | 142.0 (4.1) | 40 0 (1.8) | 93.0 (1.0) | 62.2 (2.5) | 32.6 (1.0) |
| 2 (Jet) | 139.3 (3.4) | 39.7 (1.8) | 94.5 (1.1) | 62.1 (2.2) | 32.7 (1.0) |
| 3 (Ultrasonic) | 141.8 (3.5) | 38.2 (2.1) | 94.2 (1.1) | 61.7 (2.3) | 34.3 (0.8) |
| p2-150 | 0.689 | 0.497 | 0.645 | 0.908 | 0.298 |
↵2-150 One way repeated measures ANOVA.