TABLE 2.
Estimated population means and confidence intervals based on duration of therapy as a classification criterion
| Duration as criteriona | Duration not a criterion | |||||
|---|---|---|---|---|---|---|
| Mean (%) (CI) | Difference (%) | P value* | Mean (%) (CI) | Difference (%) | P value* | |
| Pre‐ | 24.7 (0.22, 0.27) | 6.7 | <0.001 | 67.1 (0.65, 0.69) | 5.1 | <0.001 |
| Post‐ | 31.4 (0.28, 0.34) | 72.2 (0.70, 0.74) | ||||
a
Duration as a criterion implies the correct antibiotic and days of therapy were selected by the clinician for a given indication. Duration not as a criterion requires only that the correct antibiotic was selected and not the days of therapy.
*
P values using a Wald test.