Table 3.

Sensitivity, Specificity, Negative Predictive Value, and Positive Predictive Value at 200, 350, and 500 Cells/μL Threshold

	CD4 T cell cutoff points
	≤200 cells/μL	≤350 cells/μL	≤500 cells/μL
Sensitivity, (%) (95% CI)	71.4 (41.9–91.6)	84.6 (69.5–94.1)	94.4 (86.2–98.4)
Specificity, (%) (95% CI)	100 (97.3–100)	94.6 (88.7–98)	100 (94.8–100)
PPV, (%) (95% CI)	100 (69.2–100)	94.6 (88.7–98)	94.5 (86.6–98.5)
NPV, (%) (95% CI)	97.2 (92.9–99.2)	84.6 (69.5–94.1)	100 (94.6–100)

NPV, negative predictive value; PPV, positive predictive value.