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. 2016 Jun 11;8:185–193. doi: 10.2147/CLEP.S103346

Table 3.

HUNT3 questionnaires’ ability to identify verified AF diagnoses, compared to hospital-diagnosed AF

Methods of AF identification Sensitivity (95% CI) Specificity (95% CI) PPV (95% CI) NPV (95% CI)
HUNT3 questionnaires – all participants 49.6 (45.1–54.1) 99.2 (99.0–99.3) 66.2 (61.2–71.0) 98.4 (98.2–98.6)
“AF question” – those who received QCVD 57.0 (52.2–61.7) 96.6 (95.9–97.1) 66.2 (61.2–71.0) 95.0 (94.3–95.7)
Hospital discharge diagnoses of AF 73.7 (69.6–77.5) 99.7 (99.6–99.8) 88.5 (85.1–91.4) 99.2 (99.0–99.3)

Abbreviations: AF, atrial fibrillation; CI, confidence interval; NPV, negative predictive value; PPV, positive predictive value; QCVD, cardiovascular-specific questionnaire; HUNT3, third survey of the HUNT Study.