Table 3.
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.