BioMed Research International

Research Article

Clinical Characteristics, Risk Factors, and Outcomes of Patients with Polymicrobial Klebsiella pneumoniae Bloodstream Infections

Table 2

Biological indicators and severity of illness of patients with monomicrobial and polymicrobial Klebsiella pneumoniae bloodstream infection.


Indicator	Total ()	Monomicrobial ()	Polymicrobial ()	value

Blood routine test, median (IQR)
WBC (×10⁹/L)	9.6 (5.9, 15.0)	9.7 (5.9, 15.2)	8.8 (5.2, 14.0)	0.254
ANC (×10⁹/L)	8.5 (5.0, 13.4)	8.6 (5.0, 13.6)	7.9 (4.1, 12.5)	0.267
PLT (×10⁹/L)	137 (68, 214)	137 (68, 215)	128 (56, 204)	0.560
Liver function, median (IQR)
Albumin (g/L)	31.5 (27.3, 35.6)	31.5 (27.6, 35.6)	29.5 (26.3, 35.0)	0.112
GPT (U/L)	39 (24, 69)	39 (24, 68)	41 (25, 74)	0.416
GOT (U/L)	41 (25, 75)	41 (25, 73)	45 (31, 85)	0.047
Total bilirubin (μmol/L)	20.1 (12.1, 40.8)	19.8 (11.9, 40.4)	21.4 (12.6, 45.6)	0.522
Scr (μmol/L), median (IQR)	64 (46, 96)	64 (46, 97)	62 (42, 91)	0.398
PCT (ng/mL), median (IQR)	1.75 (0.51, 8.46)	1.63 (0.47, 8.29)	2.09 (0.62, 10.11)	0.394
CRP (mg/L), median (IQR)	102.1 (62.2, 191.4)	103.7 (62.5, 190.1)	92.4 (60.4, 201.3)	0.566
Sepsis shock, (%)	258 (31.5%)	217 (30.8%)	41 (36.0%)	0.273
SOFA score, median (IQR)	5 (3, 8)	5 (3, 8)	6 (3, 10)	0.082
APACHE II score, median (IQR)	15 (11, 21)	15 (11, 21)	16 (11, 21)	0.340
Pitt bacteremia score, median (IQR)	3 (1, 5)	3 (1, 5)	4 (2, 6)	0.005
Pitt bacteremia points, (%)	275 (33.6%)	229 (32.5%)	46 (38.3%)	0.101

IQR: interquartile range; WBC: white blood count; ANC: absolute neutrophil count; PLT: platelet; GPT: glutamic-pyruvic transaminase; GOT: glutamic-oxaloacetic transaminase; Scr: serum creatinine; PCT: procalcitonin; CRP: C-reactive protein; SOFA: Sequential Organ Failure Assessment; APACHE: Acute Physiology and Chronic Health Evaluation. 7 missing values in the monomicrobial group and 1 missing value in the polymicrobial group. 121 missing values in the monomicrobial group and 16 missing values in the polymicrobial group. 54 missing values in the monomicrobial group and 10 missing values in the polymicrobial group.