Table 3

Diagnostic performance of food consumption in subgroups based on age

SnSpPPVNPVLR+LR–DOR
Age <65 years
n=371		80.9
(62.3–95.9)		20.2
(11.7–29.4)		16.1
(10.7–22.3)		86.3
(75.1–93.5)		1
(0.8–1.4)		0.8
(0.3–2.4)		1.2
(0.3–4.5)
Age 65–75 years
n=334		80
(60.7–95.4)		20.6
(12–30)		15.9
(10.3–22.5)		86.7
(75.3–93.6)		1
(0.8–1.3)		0.8
(0.3–2.6)		1.2
(0.3–4.9)
Age 75–85 years
n=523		81.1
(64.7–94.9)		20.5
(13–28.5)		16.1
(11.3–21.6)		86.8
(77.8–93)		1
(0.8–1.3)		0.8
(0.3–2.4)		1.3
(0.4–4.8)
Age ≥85 years
n=781		82.8
(71–92.8)		19.9
(13.4–26.7)		16.6
(12.6–20.9)		86.6
(79.5–91.7)		1
(0.9–1.2)		0.8
(0.4–1.6)		1.3
(0.6–2.9)

  • Values in parentheses are 95% CIs.

  • DOR, diagnostic OR; LR–, negative likelihood ratio; LR+, positive likelihood ratio; NPV, negative predictive value; PPV, positive predictive value; Sn, sensitivity; Sp, specificity.