• Bassam Mahboub, Ashraf Alzaabi, Joan B Soriano, Laila Salameh, Yousef A L Mutairi, Afzalhussein A Yusufali, Alawi Alsheikh-ali, Wael Almahmeed, and John Haughney.
• Department in Rashid Hospital, Pulmonary medicine, Dubai, United Arab Emirates. drbassam_mahboub@yahoo.com.
• BMC Res Notes. 2014 Jan 1; 7: 241.

BackgroundSpirometry is commonly accepted as the gold standard for the diagnosis of COPD, but the reality remains that quality assured spirometry is not or cannot be provided universally around the globe. Adding PEF measurement to a screening questionnaire may rule out airflow limitation compatible with COPD rationalizing spirometry testing.MethodsWe conducted a cross-sectional survey in a sample of individuals 40-80 yrs. old in Dubai, UAE. They were invited to answer a short socio-demographic questionnaire including a report on current, past history of smoking, and had PEF measured, then they conducted spirometry to identify airflow limitation compatible with COPD.ResultsOverall, 525 (91.0%) participants performed PEF and spirometry (68% male, with a mean age of 59 years, 17% UAE Nationals), 24% reported smoking of different sorts. Overall, 68 participants (12.9%, 95% C.I. 10.3% to 16.1%) had airflow limitation compatible with COPD. PEFR alone identified 141 participants with airflow limitation compatible with COPD, with specificity of 80% and sensitivity of 73.5%.ConclusionsPEFR could be an easy, cheap, and non-biased tool to assist with the case-finding of COPD before confirmation with spirometry.

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