Table 1. Clinical signs and categories of the ETAT triage system and how they were mapped to our dataset.

Presenting clinical signs used in ETAT triage	Presenting clinical signs available in the study data	Intervention
Emergency		Requires immediate treatment
Obstructed/absent breathing	Not available in the baseline dataset
Central cyanosis	Cyanosis
Severe respiratory distress	O2 saturation < 90% OR cyanosis OR grunting OR stridor.
Circulation Capillary refill >3 seconds AND Weak and fast (or absent) pulse AND Cool skin	Circulation Capillary refill >3 seconds AND (Weak central pulse OR Weak radial pulse) AND Cool skin
Convulsions	Convulsions (now)
Coma	Not alert (based on AVPU scale)
Severe dehydration Diarrhoea plus any two positive signs (Lethargy, sunken eyes, unable to drink or drinks poorly, slow skin pinch)	Severe dehydration Diarrhoea plus any two positive signs (sunken eyes, can’t sit or drink, slow skin pinch)
Priority		Requires prompt assessment
Tiny infant (age < 2 months)	Tiny infant (age < 2 months)
Temperature ≥37.5°C	Temperature ≥37.5°C
Trauma	Trauma
Severe pallor	Pallor
Severe pain	Severe pain
Poisoning	Poisoning
Respiratory distress	Chest indrawing OR fast breathing (age < 2 months = RR > 60 breaths per minute  age 2–11 months = RR > 50 breaths per minute  age ≥ 12 months = RR > 40 breaths per minute)
Urgent referral	Urgent referral
Restless, continuously irritable or lethargic	Irritable
Malnutrition—visible severe wasting	Visible severe wasting
Oedema of both feet or face	Oedema
Burns	Burns
Non-urgent		Waits in the queue
A child without any of the above signs.	A child without any of the above signs