Table 4.

Diagnostic Capabilities of MCB tests by Age

	Patient of Age		P value
	Patients ≥65 years	Patients <65 years
Sensitivity	80.0 % (64.1–90.0)	52.6 % (37.3–67.5)	<0.05*
Specificity	44.1 % (35.3–53.4)	84.9 % (76.9–90.5)	<0.05*
PPV	31.1 % (22.5–41.3)	55.6 % (39.6–70.5)	<0.05*
NPV	87.5 % (76.4–93.8)	83.3 % (75.2–89.2)	0.28
LR+	1.43 (1.13–1.81)	3.49 (2.02–6.00)
LR−	0.45 (0.22–0.91)	0.56 (0.39–0.79)

PS: PPV, NPV, LR+ and LR− mean positive and negative predictive values, positive and negative likelihood ratios, respectively

*mean P < 0.05