Table 2 Hospital level mortality of non-elderly patients discharged with a principal diagnosis of pneumonia overall and by hospital case volume level, Japanese DPC database, 2010
|  | Total | Very low (≤7) | Low (8–11) | Medium (12–17) | High (≥18) |
|---|---|---|---|---|---|
Number of patients | 8293 | 1771 | 2020 | 2146 | 2356 |
Number of hospitals | 896 | 429 | 218 | 150 | 99 |
% of hospitals with zero mortality | 75 | 86 | 72 | 65 | 53 |
% range of mortality rates | 0-100 | 0-100 | 0-27 | 0-23 | 0-16 |