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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