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. Author manuscript; available in PMC: 2017 May 31.
Published in final edited form as: Pediatrics. 2009 Dec;124(6):1513–1521. doi: 10.1542/peds.2008-2961

TABLE 3.

Descriptive Statistics for the Health Outcomes at Each Assessment

Outcome All (N = 250) ABC (n = 84) AMF (n = 83) UC (n = 83)
Asthma symptoms per month, mean ± SD
 0 mo of follow-up 6.39 ± 6.84 7.38 ± 7.00 6.38 ± 6.89 5.41 ± 6.56
 6 mo of follow-up 4.59 ± 5.63 4.09 ± 5.14 5.09 ± 6.41 4.61 ± 5.35
 12 mo of follow-up 4.58 ± 5.96 3.75 ± 4.64 5.50 ± 6.97 4.47 ± 5.95
 18 mo of follow-up 4.53 ± 6.32 3.36 ± 4.67 5.98 ± 7.83 4.35 ± 5.95
ED visits In previous 6 mo, mean ± SD
 0 mo of follow-up 2.84 ± 3.10 2.63 ± 2.99 3.10 ± 3.00 2.81 ± 3.32
 6 mo of follow-up 1.35 ± 1.88 1.19 ± 1.31 1.72 ± 2.48 1.16 ± 1.68
 12 mo of follow-up 1.11 ± 1.77 0.86 ± 1.38 1.11 ± 1.77 1.35 ± 2.08
 18 mo of follow-up 0.88 ± 1.39  0.81 ± 1.04)  0.74 ± 1.25) 1.10 ± 1.78
Hospitalization In previous 6 mo, n (%)
 0 mo of follow-up 104 (41.6) 35 (41.7) 35 (42.2) 34 (41.0)
 6 mo of follow-up   46 (20.4) 13 (16.9) 19 (26.4) 14 (18.4)
 12 mo of follow-up   41 (18.3) 10 (13.9) 16 (21.3) 15 (19.5)
 18 mo of follow-up   34 (14.5) 12 (14.8) 12 (15.8) 10 (13.0)
Courses of oral steroids in previous 6 mo, mean ± SD
 0 mo of follow-up 2.41 ± 2.48 2.60 ± 3.15 2.20 ± 1.81 2.43 ± 2.29
 6 mo of follow-up 1.21 ± 1.63 0.94 ± 1.08 1.40 ± 1.90 1.32 ± 1.79
 12 mo of follow-up 1.08 ± 1.55 0.81 ± 1.02 1.13 ± 1.66 1.27 ± 1.81
 18 mo of follow-up 1.09 ± 2.31 0.74 ± 0.91 0.96 ± 1.59 1.57 ± 3.56