Table S3.
Device types of inhaled bronchodilators over 1 year in total bronchodilator initiators and stratified by the years of index dates
| Total initiators | Years of index dates
|
|||
|---|---|---|---|---|
| 2001–2003 | 2004–2006 | 2007–2010 | ||
| Number of inhaled bronchodilator prescriptions | 4,096 | 1,812 | 1,033 | 1,251 |
| By devicesa, % | ||||
| Nebulizers | 22.73 | 17.05 | 24.78 | 29.26 |
| Metered dose inhalers | 55.44 | 69.37 | 51.31 | 38.69 |
| Dry powder inhalers | 30.10 | 20.86 | 32.91 | 41.17 |
Notes:
a
Proportions added up to more than 100% because patients may receive multiple inhaled bronchodilators during the 1-year follow-up period.