Table 2. Logistic regression analysis for relation between bacteremia and biochemical variables

Ann Clin Microbiol 2023;26:103-115. Clinical usefulness of procalcitonin/albumin and blood urea nitrogen/albumin ratios for the early detection of bacteremia

Table 2. Logistic regression analysis for relation between bacteremia and biochemical variables

Variable	Gram negative bacteremia (n = 77)
	Univariable		Multivariable
	OR (95% CI)	P-value	OR (95% CI)*	P-value	OR (95% CI)†	P-value
Procalcitonin	1.03 (1.02 – 1.04)	< 0.001	1.02 (1.02 – 1.03)	< 0.001	1.02 (1.02 – 1.03)	< 0.001
hsCRP	1.05 (1.03 – 1.07)	< 0.001	1.03 (1.01 – 1.05)	0.020	1.03 (1.01 – 1.06)	0.010
Lactic acid	1.07 (1.01 – 1.13)	0.020	1.04 (0.97 – 1.12)	0.284	1.03 (0.96 – 1.11)	0.424
BUN	1.01 (1.01 – 1.02)	< 0.001	1.00 (0.99 – 1.01)	0.688	1.00 (0.99 – 1.01)	0.893
Albumin	0.37 (0.25 – 0.54)	< 0.001	0.51 (0.37 – 0.80)	0.003	0.55 (0.35 – 0.87)	0.010

Variable	Gram positive bacteremia (n = 55)
	Univariable		Multivariable
	OR (95% CI)	P-value	OR (95% CI)*	P-value	OR (95% CI)†	P-value
Procalcitonin	1.01 (1.00 – 1.02)	0.144	1.00 (0.99 – 1.01)	0.833	1.00 (0.99 – 1.01)	0.940
hsCRP	1.02 (1.00 – 1.04)	0.287	1.00 (0.97 – 1.03)	0.865	0.99 (0.97 – 1.03)	0.875
Lactic acid	1.10 (1.04 – 1.17)	0.001	1.08 (1.02 – 1.15)	0.011	1.08 (1.02 – 1.15)	0.010
BUN	1.02 (1.01 – 1.03)	< 0.001	1.02 (1.01 – 1.02)	0.003	1.02 (1.00 – 1.03)	0.010
Albumin	0.41 (0.26 – 0.62)	< 0.001	0.49 (0.31 – 0.77)	0.002	0.50 (0.31 – 0.81)	0.005

*Model 1: adjusted for age, sex; †Model 2: adjusted for age, sex, white blood cell count, platelet count, creatinine, total bilirubin, glucose. Abbreviations: OR, odds ratio; CI, confidence interval; hsCRP, high sensitivity C-reactive protein; BUN, blood urea nitrogen.