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| Criteria assessed by triage nurse | Gold standard U1–U4 | ||||
|---|---|---|---|---|---|
| U1 | U2 | U3 | U4 | Total | |
| U1 | 22 | 2 | 1 | 0 | 25 |
| U2 | 11 | 28 | 11 | 1 | 51 |
| U3 | 1 | 18 | 38 | 29 | 86 |
| U4 | 1 | 0 | 35 | 154 | 190 |
| Total | 35 | 48 | 85 | 184 | 352 |
Underlined numbers denote correct estimation.
