Table 4 In-control ARL performance of the standard p-CUSUM chart and the risk-adjusted p-CUSUM control chart
From: Risk-adjusted zero-inflated Poisson CUSUM charts for monitoring influenza surveillance data
Case(a) | Case(b) | Case(c) | ||||
|---|---|---|---|---|---|---|
Standard CUSUM | Risk-adjusted CUSUM | Standard CUSUM | Risk-adjusted CUSUM | Standard CUSUM | Risk-adjusted CUSUM | |
OR = 1.5 | 266.6171 | 399.5418 | 442.7546 | 399.9784 | 277.2445 | 401.4471 |
OR = 2 | 275.8945 | 397.2131 | 433.6142 | 400.0877 | 279.4643 | 397.6834 |
OR = 4 | 295.9394 | 399.7799 | 431.744 | 400.8284 | 285.3585 | 400.4745 |