| 参数 | PA1 | PA2 |
| 模型 | 报道病例数 | |
| GAM | 47.67653 | 0.06199 |
| OLS | 47.67653 | 0.06199 |
| GLM | 1.67491 | −0.50276 |
| ZEROINFL | 1.3038 | −0.49792 |
| NBR | 2.4729 | −2.5294 |