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Table 1 Participants PEFR results according proposed method PEF per m2

From: Case-finding of chronic obstructive pulmonary disease with questionnaire, peak flow measurements and spirometry: a cross-sectional study

Pre-BD PEF per Ht2(L.s-1.m-2) results N= %
≤1.3 40 7.6%
>1.3–1.8 44 8.3%
>1.8–2.2 57 10.6%
>2.2 384 73.1%
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