Fred Stephen Sarfo|Mulugeta Gebregziabher|Bruce Ovbiagele|Rufus Akinyemi|Lukman Owolabi|Reginald Obiako|Onoja Akpa|Kevin Armstrong|Albert Akpalu|Sheila Adamu|Vida Obese|Nana Boa-Antwi|Lambert Appiah|Oyedunni Arulogun|Yaw Mensah|Abiodun M. Adeoye|Aridegbe O. Tosin|Osimhiarherhuo Adeleye|Eric Tabi-Ajayi|Phillip Oluleke Ibinaiye|A Sani|Suleiman Yahaya Isah|Nasir Abdulkadir Tabari|Aliyu Mande|Atinuke Agunloye|Godwin Ogbole|Joshua Akinyemi|Ruth Laryea|Sylvia Melikam|Ezinne Uvere|Gregory Adekunle|Salaam Kehinde|Paschal Azuh|Abdul Dambatta|Naser A. Ishaq|Raelle Saulson|Donna K. Arnett|Hemnant Tiwari|Carolyn Jenkins|Dan Lackland|Mayowa Owolabi
Multilingual Validation of the Questionnaire for Verifying Stroke-Free Status in West Africa
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background purpose questionnaire verifying strokefree status qvsfs method verifying strokefree status participants clinical epidemiological genetic studies validated lowincome settings populations limited knowledge stroke symptoms aimed validate qvsfs 3 languages yoruba hausa akan ascertainment strokefree status control subjects enrolled ongoing stroke epidemiological study west africa methods data collected using crosssectional study design 384 participants consecutively recruited neurology general medicine clinics 5 tertiary referral hospitals nigeria ghana ascertainment stroke status neurologists using structured neurological examination review case records neuroimaging gold standard relative performance qvsfs without pictures stroke symptoms pictograms assessed using sensitivity specificity positive predictive value negative predictive value results overall median age study participants 54 years 484 males 165 stroke cases identified gold standard 98 determined stroke whereas 219 without stroke 87 determined strokefree qvsfs negative predictive value qvsfs across 3 languages 097 range 093100 sensitivity specificity positive predictive value 098 082 080 respectively agreement questionnaire without pictogram excellentstrong cohen k092 conclusions qvsfs valid tool verifying strokefree status across culturally diverse populations west africa