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Table 5 Demographics and asthma status for potential, excluded and confirmed cases

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

  Potential Cases Excluded Cases Confirmed Cases
Female n, (%) 483 (65) 176 (64) 307 (66)
Age, female mean (SD) 34.4 (12) 33.5 (12) 34.8 (12)
Males 263 (35) 101 (37) 162 (35)
Age, male mean (SD) 34.2 (12) 33.6 (12) 34.6 (12)
Asthma Status Prior to Index Month n, (%)    
No Prior Asthma 211 (28) 1 (<1%) 210 (45)
Mild Intermittent, Inactive 279 (37) 20 (7) 259 (55)
Mild Intermittent, Active 39 (5) 39 (14) 0
Mild Persistent with Exacerbation 62 (8) 62 (22) 0
Mild Persistent 31 (4) 31 (11) 0
Moderate Persistent 7 (1) 7 (3) 0
Weak Evidence 58 (8) 58 (21) 0
No Evidence 35 (5) 35 (13) 0
Insufficient Data 24 (3) 24 (9) 0
Total 746 277 469