Table 3.
Event statistics (total number of events is 394)
| Type of Event | Number of Events | % of 394 |
| Events involving humans | 297 | 75.4 |
| Events involving food contamination | 35 | 8.9 |
| Events involving hospital workers | 3 | 0.8 |
| Events involving malformed products | 2 | 0.5 |
| Events classified as present | 321 | 81.5 |
| Events classified as historical | 49 | 12.4 |
| Events classified as recent_past | 11 | 2.8 |
| Events classified as hypothetical | 13 | 3.3 |