Table 1 EWS used in this study
Score3210123
Heart rate<4041–5051–100101–110111–129>130
Systolic blood pressure<8081–9091–100101–199>200
Respiratory rate<89–1920–2525–29>30
Temperature<3535.1–3838–39.5>39.5
Central nervous systemAlertResponds to voice or newly confusedResponds to painUnresponsive
Spo2<85%85–89%90–94%>95%
  • EWS, early warning score; Spo2, peripheral oxygen saturation.

  • EWS, early warning score; Spo2, peripheral oxygen saturation.