From: Serum-based diagnosis of Pneumocystis pneumonia by detection of Pneumocystis jirovecii DNA and 1,3-β-D-glucan in HIV-infected patients: a retrospective case control study
Index tests in serum
Positive predictive value
Negative predictive value
Pj PCR positive
0.46
1.0
Pj PCR with Ct ≤34a
0.71
0.99
BG ≥80 pg/mlb
0.45
BG ≥200 pg/mlb
0.63
0.98
BG ≥400 pg/mlb
0.69
0.97
Pj PCR positive and BG ≥200 pg/mlb
0.70