PPO’s and corresponding ratio’s.

For each PPO or group the number of occurrences, Hazard Ratio (HR), Confidence interval (CI) and p-value are given. Results are presented for both the HR of potentially inappropriate prescribing (PIP), and the interaction model, which contains the interaction between PIP and PPI. The resulting Hazard Ratios (HR), 95% confidence intervals (95% CI) and p-values are given. Significant p-values have been marked with a star (*).

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