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Time Series Analysis Results: Emergent Colectomy Rate Ratios for Nucleic Acid Amplification Testing Versus 2-Step Clostridioides difficile Infection Confirmation
| Intervention | Intervention Effect | Colectomy Rate Ratioa (95% CI) | P Value |
|---|---|---|---|
| 2-step CDI confirmation | Baseline trend | 1.11 (.79–1.56) | .535 |
| Level change | 1.16 (.93–1.43) | .184 | |
| Slope change | 0.85 (.52–1.39) | .509 |
Abbreviations: CDI, Clostridioides difficile infection; CI, confidence interval.
Rate ratios expressed per 12-month period.
