Clinical features

Why?

• Patients who have started 3 or more new types of medication in the last year are at increased risk of dying ^b
• Irregular or infrequent use increases the risk of dying ^b

Poor compliance and multiple medications started in the last year are associated with asthma death

Outcome b	Risk Factor	PEER	OR (95% CI)	NNH (95% CI)
death from asthma	≥ 3 categories of asthma drug prescribed in last year independent	0.0057%	3.0 (1.04 to 10.5)	8800 (1900 to 440000)
death from asthma	non-compliance with treatment independent	0.0057%	infinity (5.2 to infinity)	infinity (4200 to infinity)