Table 1.

Accuracy measures of the Kex1 RSA-based IgM ELISA for PcP diagnosis

Kex1 RSA-based IgM ELISA
Sensitivity	70.8%
(CI)	(55.9–83.0%)
Specificity	75.0%
(CI)	(55.1–89.3%)
Positive predictive value	60.0%
(CI)	(66.5–90.7%)
Negative predictive value	82.9%
(CI)	(43.9–80.7%)
Positive likelihood ratio	2.83
(CI)	(1.45–5.52)
Negative likelihood ratio	0.39
(CI)	(0.24–0.63)