Table 4.

HIV-infected control patients with positive Pj PCR in serum

Pat	CD4 cell count (cells/uL)	Criteria of the PCP reference standard of this study						Outcome	Index tests
		Respiratory symptoms	Radiologic findings	Hypoxia	Pj analysis respiratory specimen	TMP-SMX	Other lung infection		BG (pg/ml)	Pj PCR in serum Ct value
1	100	Dry cough	Unknown	Unknown	Unknown	No	No	Survival	> 2000	32
2	30	Dry cough	Discrete interstitial opacity	Unknown	Unknown	Prophylaxis dose	No	Survival	807	33
3	10	Dry cough	Normal	Unknown	Unknown	Nob	No	Survival	< 50	39
4	80	Dyspnea	Discrete GGO	Unknown	PCR nega	No	No	Survival	60	38
5	50	Productive cough and dyspnea	Normal	No	PCR posa	Prophylaxis dose	No	Survival	177	42
6	50	No	Normal	No	Unknown	No	No	Survival	< 50	39

PCP Pneumocystis jirovecii pneumonia, Pj Pneumocystis jirovecii, TMP-SMX trimethoprim–sulfamethoxazole, BG 1,3-ß-D-glucan, Ct Cycle threshold, GGO ground glass opacity

For patients where Pj analysis, radiological exam or measurement of SpO₂ was not performed, the data is noted as unknown

^aPCR on sputum samples

^breceived treatment for toxoplasmosis with pyrimethamine and sulphonamide