Table 2.
Comparison of the mean changes in the subjects’ PEFR in the two intervention groups and the control group
|
(PEFR changes in response to inhalation of 200µg salbutamol)
Mean±SD | |||
|---|---|---|---|
|
Time
Groups |
Before the intervention | Immediately after the intervention | One month after the intervention |
| Control | 19.2±16.4 | 18.8±10.4 | 20±9.4 |
| Non-spacer | 23.6±10.8 | 79±20.3 | 73.1±18.6 |
| Spacer | 23±11.3 | 86.1±27.1 | 81.6±25.5 |
| P value | 0.380 | <0.05* | <0.05* |
*P values<0.05 were considered as statistically significant