Twenty-two young asthmatic volunteers were studied to assess the short-term effects of sulfur dioxide (SO2) exposure under various conditions [12]. The baseline data in Table 12.30 were presented regarding bronchial reactivity to SO2 stratified by lung function (as defined by forced expiratory volume / forced vital capacity [FEV1/FVC]) at screening. 12.6 Test the hypothesis that there is an overall mean difference in bronchial reactivity among the three lung-function groups.
Twenty-two young asthmatic volunteers were studied to assess the short-term effects of sulfur dioxide (SO2) exposure under various conditions [12]. The baseline data in Table 12.30 were presented regarding bronchial reactivity to SO2 stratified by lung function (as defined by forced expiratory volume / forced vital capacity [FEV1/FVC]) at screening. 12.6 Test the hypothesis that there is an overall mean difference in bronchial reactivity among the three lung-function groups.
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Section6.8: Fitting Exponential Models To Data
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Twenty-two young asthmatic volunteers were studied to assess the short-term effects of sulfur dioxide (SO2) exposure under various conditions [12]. The baseline data in Table 12.30 were presented regarding bronchial reactivity to SO2 stratified by lung
12.6 Test the hypothesis that there is an overall mean difference in bronchial reactivity among the three lung-function groups.
Transcribed Image Text:TABLE 12.30 Relationship of bronchial reactivity
to so, (cm H,O/s) grouped by lung
function at screening among
22 asthmatic volunteers
Lung-function group
Group A
FEV /FVC
Group B
FEV,/FVC
75-84%
Group C
FEV,/FVC
2 85%
S74%
20.8
7.5
9.2
4.1
7.5
2.0
30.0
11.9
2.5
24.7
4.5
6.1
13.8
3.1
7.5
8.0
4.7
28.1
10.3
10.0
5.1
2.2
Source: Based on the American Review of Respiratory Disease, 131(2),
221-225, 1985.
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