The TTAS levels8–10 are defined as follows – level 1: patient requiring immediate treatment, level 2: patient requiring treatment within 10 minutes, level 3: patient requiring management within 30 minutes, level 4: patient requiring management within one hour, level 5: patient requiring management within two hours. The full criteria for triaging can be found in Table 1. In general, TTAS levels 1–3 are categorized as emergency conditions.
Taiwan Triage and Acuity Scale (TTAS)
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