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Table 4 Case confirmation rates by algorithm inclusion criteria

From: A longitudinal study of adult-onset asthma incidence among HMO members

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