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. Author manuscript; available in PMC: 2013 Sep 11.
Published in final edited form as: J Asthma. 2012 Dec 21;50(2):204–208. doi: 10.3109/02770903.2012.752503

TABLE 3.

FEV1 for participants ages 5 to 17 years with acute asthma exacerbations

Absolute value, %FEV1
Pretreatment 2 hours 4 hours
All available dataa 52 [36, 73] 65 [47, 80] 60 [44, 76]
Complete datab 37 [26, 47] 54 [42, 63] 55 [43, 71]

Values are median [IQR]

a

All valuesmeeting ATS or high quality spirometry criteria available at each time point (pretreatment, n = 331; 2hr, n = 229; 4hr, n = 105)

b

Values for only those participants who were available and able to provide ATS or high quality criteria spirometry pretreatment and at 2 and 4hr (n = 51)