Table 11. The effects of ZPED on inpatient expense by using different methods.
| Per-visit inpatient expense (CNY) | Per-visit drug expense (CNY) | Proportion (%) | |
|---|---|---|---|
| Hospital-level DID | -389.11 | -278.42 | -3.90 |
| Individual-data DID | -399.6 | -278.7 | -3.92 |
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