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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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BMC Research Notes

ISSN: 1756-0500

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