Validation of a Spanish Version of the Lille Apathy Rating Scale for Parkinson’s Disease

Table 3

Sensitivity, specificity, and validity indices and cutoff values for LARS with respect to the clinical diagnostic of apathy performed by the main researcher.

Cutoff point	Accuracy	Kappa	Sensitivity (95% CI)	Specificity (95% CI)
≥−13	0.81	0.61	70.0 (57.6–82.4)	90.0 (82.3–97.7)
≥−14	0.85	0.70	80.0 (69.1–91.0)	90.0 (82.3–97.7)
≥−15	0.83	0.67	81.7 (71.0–92.3)	85.7 (76.8–94.6)

CI: 95% confidence interval.