Table 1.

Derived COLA Score

Symptoms/Functional Score
	Have you had whistling/wheezing in chest in last 12 months	1
	Have you brought up phlegm from your chest on most days or nights of the week during at least 3 months in at least 2 years?	1
	Have you ever been woken up from sleep by wheezing?	1
	In the past 12 months, have you had to miss work or have your daily activities been impeded because of your respiratory problems?	1
	In the past 12 months, have you been hospitalized because of respiratory problems?	1
	Do you currently smoke?	1
	Do you use biomass fuel daily?	1
Age score
	< 55 years	0
	≥ 55 years	1
Peak expiratory flow score
	≥ 400 L/min	0
	250–399 L/min	1
	< 250 L/min	2