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. Author manuscript; available in PMC: 2010 Aug 2.
Published in final edited form as: J Asthma. 2008 Mar;45(2):165–170. doi: 10.1080/02770900701847076

TABLE 2.

Demographics.

African Americans Caucasians Total p-value
Agea 53 ± 27 44 ± 26 n/ab 0.107
Race 15 12 27 0.252
Females 8 6 14 0.707
Smoker 9 4 13 0.252
% Predicted FEV1a 50.73 ± 16.9 59.08 ± 30.5 n/ab 0.407
a

Mean ± standard deviation.

b

Totals not applicable as continuous variables.

Statistical significance was calculated by the Mann-Whitney U test.