Table 5
Respiratory system resistance before and after salbutamol aerosol
| Device used | Respiratory system resistance (cm H2O/ml/s): mean (SEM) | |||||
|---|---|---|---|---|---|---|
| Before | 15 min | 30 min | 60 min | 120 min | p5-150 | |
| Study 1: | ||||||
| 1 (MDI) | 0.339 (0.065) | 0.229 (0.044) | 0.175 (0.032) | 0.225 (0.042) | 0.278 (0.054) | <0.00015-151 |
| 2 (Jet) | 0.349 (0.070) | 0.262 (0.046) | 0.226 (0.042) | 0.284 (0.051) | 0.331 (0.063) | <0.00015-164 |
| 3 (Ultrasonic) | 0.369 (0.072) | 0.202 (0.034) | 0.146 (0.022) | 0.219 (0.043) | 0.298 (0.059) | <0.00015-160 |
| Study 2: | ||||||
| 1 (MDI) | 0.404 (0.052) | 0.325 (0.041) | 0.287 (0.037) | 0.336 (0.041) | 0.374 (0.048) | <0.00015-151 |
| 2 (Jet) | 0.411 (0.057) | 0.373 (0.052) | 0.345 (0.050) | 0.371 (0.051) | 0.412 (0.054) | <0.00015-151 |
| 3 (Ultrasonic) | 0.428 (0.062) | 0.325 (0.047) | 0.246 (0.035) | 0.299 (0.040) | 0.365 (0.047) | <0.00015-151 |
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↵5-150 One way repeated measures ANOVA.
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Multiple pairwise comparison by Student-Newman-Keul Method (p<0.05):
-
↵5-151 30 min<15 min<60 min<120 min and before treatment;
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↵5-164 30 min<60 min<120 min and before treatment, 15 min<120 min<before treatment;
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↵5-160 30 min<15 and 60 min<120 min<before treatment.
