Assessment of the Usefulness of Multiplex Real-Time PCR Tests in the Diagnostic and Therapeutic Process of Pneumonia in Hospitalized Children: A Single-Center Experience

Table 3

Results of diagnostic test in patients with at least one positive microbiology culture.

Blood culture	Nasal swab	Respiratory tract aspirate	PCR
Positive blood culture
S. aureus	Sa	Pseud	0
E.coli	Sa	X	0
Serratia	Pseud	Pseud	0
		Positive respiratory tract aspirate
0	X	Sa	RH/AdV/Sa
X	X	Sp	RH/Sp
0	X	Hinf, Klebs	RH/Hinf
0	X	Hinf	RSV/Hinf
0	X	Hinf	RH/AdV/Hinf
0	F	E.coli	RSV/CMV/Hinf
X	X	Hinf	PINF/Sa
0	0	Sa	RSV
X	F	Klebs	RSV
0	F	Sp	RSV
0	F	Pseud	hMPV
X	X	Klebs	AdV/PINF
		Hinf	0
0	F	Sa	Sa
	Positive nasal swab
0	Sa	0	0
X	Sa	F	RSV
X	Sa	X	RH
X	Pseud	X	Sa
0	Sa	0	Sa
X	Sa	F	CORO/Sa
0	Sa	F	Sa/INF
	Positive nasal swab and respiratory tract aspirate
0	Sa	ESBL	0
0	Sa	Sa	RH/PNP
0	Sa	Hinf	RSV/hMPV
0	Sp	Pseud, Sp	CMV
0	Pseud	Serr, Sa	hMPV
X	Sa	Sa	Sa/Sp
0	Sp	Sp	BOC/Sp

AdV: adenovirus; BOC: bocavirus; CMV: cytomegalovirus; CORO: coronavirus; E. coli: Escherichia coli; F: physiologic flora; Hinf: Haemophilus influenzae; hMPV: human metapneumovirus; Klebs: Klebsiella pneumoniae; PINF: human parainfluenza virus; PNP: Pneumocystis jiroveci; Pseud: Pseudomonas aeruginosa; RH: rhinovirus; RSV: respiratory syncytial virus; Sa: Staphylococcus aureus; Sp: Streptococcus pneumoniae; X: test not done; and 0: negative results.