Table 5. Sensitivity, specificity, and measure of agreement (Kappa).

Variable	MAI	2015 Beers Criteria	STOPP version 2	FORTA
Prevalence of PIMs (95% CI)	73.6% (69.0–77.7)	53.1% (48.2–57.9)	55.7% (50.8–60.5)	44.3% (39.5–49.2
Sensitivity (95% CI)	Reference	58.3% (52.5–63.8)	68.6% (63.1–73.7)	52.4% (46.7–58.1)
Specificity (95%CI)	Reference	61.3% (51.5–70.2)	80.2% (71.3–86.9)	78.4% (69.4–85.4)
Kappa Index (p-value)	Reference	0.16 (<0.001)	0.40 (<0.001)	0.23 (<0.001)