Two analyses of provider adherence with CDSS recommendations. Providers with less than 30 cases were excluded from both analyses
| % Adherence with CDSS recommendations 1 | |||||
| Category | Overall | First 1/3 | Second 2/3 | Change | P |
| All cases | 81.1% | 79.3% | 82.0% | 2.7% | 0.016 |
| Antibiotic recommended? | |||||
| Yes | 75.7% | 74.4% | 76.8% | 2.4% | 0.175 |
| No | 84.8% | 83.1% | 85.8% | 2.7% | 0.039 |
| Random-Effects Logistic Regression 2 | |||
| Variable | OR | 95% Conf. Interval | P |
| Each set of 10 cases entered | 1.02 | 1.010 – 1.037 | 0.001 |
| 1st set of 10 cases | referent | — | — |
| 2nd set of 10 cases | 1.06 | 0.838 – 1.333 | 0.640 |
| 3rd set of 10 cases | 1.17 | 0.921 – 1.483 | 0.201 |
| 4th set of 10 cases | 1.28 | 0.999 – 1.632 | 0.050 |
| 5th set of 10 cases | 1.44 | 1.116 – 1.849 | 0.005 |
| 6th set of 10 cases | 1.36 | 1.057 – 1.753 | 0.017 |
| 7th set of 10 cases | 1.34 | 1.039 – 1.727 | 0.024 |
| 8th set of 10 cases | 1.59 | 1.216 – 2.068 | 0.001 |
| 9th set of 10 cases | 1.17 | 0.904 – 1.505 | 0.238 |
| 10th set of 10 cases | 1.38 | 1.062 – 1.799 | 0.016 |
| >10th set of 10 cases (grouped) | 1.39 | 1.150 – 1.672 | 0.001 |
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Abbreviations: OR, Odds Ratio; 95% Conf. Interval, 95% Confidence Interval.
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↵1 Adherence for the first one-third of each provider’s cases is compared with the adherence for the second two-thirds of their cases. Adherence is calculated as the percentage of cases in which the CDSS recommendations were followed (including drug, dose, and duration when an antibiotic was recommended).
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↵2 Results of a random-effects logistic regression model, with adherence as the binary dependent variable (see Methods).
