Table 2

Number of children meeting criteria of the NICE traffic light system

NICE traffic light guidelinesTotal
N=6797
Colour (of skin, lips or tongue)GreenNormal colour4615
RedPale/mottled/ashen/blue599
ActivityGreenResponds normally to social cues552
AmberNot responding normally to social cues4912
RedNo response to social cues1317
GreenStays awake or awakens quickly6591
AmberWakes only with prolonged stimulation74
RedAppears ill to a healthcare professional536
GreenStrong normal cry/not crying552
AmberDecreased activity4912
RedWeak, high pitched or continuous cry68
RespiratoryAmberNasal flaring5
AmberTachypnoea: respiratory rate >50 breaths/min, age 6–12 months163
AmberTachypnoea: respiratory rate >40 breaths/min, age >12 months
RedTachypnoea: respiratory rate >60 breaths/min28
AmberOxygen saturation ≤95% in air731
AmberCrackles in the chest493
RedGrunting12
Circulation and hydrationGreenNormal skin and eyes6457
RedReduced skin turgor0
GreenMoist mucous membranes6457
AmberDry mucous membranes267
AmberTachycardia: >160 beats/min, age <12 months322
AmberTachycardia: >150 beats/min, age 12–24 months
AmberTachycardia: >140 beats/min, age 2–5 years
AmberCapillary refill time: ≥3 s*901
AmberPoor feeding in infants750
OtherRedAge <3 months, temperature ≥38°C7
AmberAge 3–6 months, temperature ≥39°C8
  • *Recorded as ≥2 s in DUTY data collection form .

  • NICE, National Institute of Clinical Excellence.