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Table 4
Case confirmation rates by algorithm inclusion criteria
*Criteria*	*Potential Cases*	*Confirmed Cases*
		N	%

Asthma diagnosis AND outpatient nebulization treatment	185	148	80
Any asthma diagnosis AND ordered oral steroids	156	105	67
Any asthma diagnosis AND a second line medication^‡	305	175	57
ER visit OR hospital admission for primary asthma diagnosis	38	20	53
Asthma Diagnosis AND ≥ 2 MDIs^¶	49	18	37
Occupational asthma diagnosis	13	3	23
Total	746	469	63

Sama et al. Environmental Health: A Global Access Science Source 2003 2:10 doi:10.1186/1476-069X-2-10

Table 4