Annual changes in treatment of exacerbations with oral steroids and antibiotics
| Exponentiated regression coefficient* | 95% CI | p value | No of exacerbations | No of subjects† | |
|---|---|---|---|---|---|
| *The regression coefficient is of the form eb and is the odds ratio (OR) giving the relative amount by which the odds of the outcome increase (OR >1) or decrease (OR <1) when the independent variable time is increased by 1 year. | |||||
| †Data were not available on all 109 patients as records of medication were only kept from November 1996 and not all patients had exacerbations. | |||||
| Odds ratio | |||||
| Oral steroids (infrequent exacerbators) | 0.89 | 0.59 to 1.35 | 0.589 | 165 | 49 |
| Oral steroids (frequent exacerbators) | 1.20 | 0.90 to 1.60 | 0.208 | 396 | 45 |
| Antibiotics (infrequent exacerbators) | 0.87 | 0.61 to 1.26 | 0.477 | 165 | 49 |
| Antibiotics (frequent exacerbators) | 1.106 | 0.87 to 1.41 | 0.418 | 396 | 45 |