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Table 1 5A score

From: External validation of 5A score model for predicting in-hospital mortality among the accidental hypothermia patients: JAAM-Hypothermia study 2018–2019 secondary analysis

Predictor

Score

Age

 60–69

1

 70–79

2

 ≥ 80

3

ADL

 Disturbance

1

Arrest

 Cardiac arrest or SBP ≤ 60 mmHg

2

Acidemia

 

 pH: 7.2–7.35

1

 < 7.2

2

Albumin

 ≤ 3 (mg/dl)

1

Sum

/9

  1. ADL: activity of daily living, SBP: systolic blood pressure. pH: pH value of blood gas assessment on arrival at emergency department. Sum score, 0–3 points: low-risk, 4 points: mild, 5 points: moderate, 6–9 points: high-risk. ADL disturbance, the requirement of partial or total assistance for these activities before the accidental hypothermia event in daily activity such as eating, dressing, moving, and taking the bath or shower