Total score is respiratory-rate points plus retractions, dyspnoea and wheeze. The range is 1-12 points.

Age group	1 point	2 points	3 points
Younger than 2 months	60 breaths/min or less	61-69 breaths/min	70 breaths/min or more
2 months to younger than 1 year	50 or less	51-59	60 or more
1 to younger than 2 years	40 or less	41-44	45 or more
2 to 3 years	34 or less	35-39	40 or more
4 to 5 years	30 or less	31-35	36 or more
6 to 12 years	26 or less	27-30	31 or more
Older than 12 years	23 or less	24-27	28 or more

Domain	0 points	1 point	2 points	3 points
Retractions	None	Intercostal	Intercostal and substernal	Intercostal, substernal and supraclavicular
Dyspnoea	Normal feeding, vocalisation and activity	One mild feature or 7-9 words per breath	Two mild features or 4-6 words per breath	Stops feeding or play, no vocalisation, drowsy or confused, or fewer than 3 words per breath
Wheeze	Normal breathing, no wheeze	End-expiratory wheeze only	Expiratory wheeze beyond end-expiration	Inspiratory and expiratory wheeze, diminished breath sounds or infant grunting

Severity groups: 1-4 low, 5-8 moderate and 9-12 high.

Respiratory Score for Asthma (Liu et al)