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 1. Baseline characteristics of study patients
CharacteristicTotal (n = 989)No bacteremia (n = 857)Bacteremia (n = 132)P-value
Age (yr)067.4 ± 17.8066.3 ± 18.3075.1 ± 11.9< 0.001
Sex (male)574 (58.0)511 (59.6)63 (47.7)0.010
Procalcitonin (ng/mL)008.7 ± 21.3006.6 ± 18.1022.5 ± 32.6< 0.001
hsCRP (mg/L)009.4 ± 9.4008.9 ± 8.9012.5 ± 11.5< 0.001
Lactic acid (mmol/L)003.8 ± 3.6003.6 ± 3.4004.9 ± 4.40.001
BUN (mg/dL)033.3 ± 27.3031.5 ± 26.7044.8 ± 29.0< 0.001
Albumin (g/dL)003.5 ± 0.7003.6 ± 0.6003.2 ± 0.7< 0.001
White blood cell count (×103 μL) 011.7 ± 8.5011.4 ± 8.2013.5 ± 10.00.030
Platelet count (×103 μL)225.5 ± 140.9231.1 ± 141.3189.1 ± 133.10.001
Creatinine (mg/dL)002.2 ± 1.9002.1 ± 1.9002.7 ± 1.90.004
Total bilirubin (mg/dL)001.7 ± 2.4001.7 ± 2.4001.7 ± 2.20.988
Glucose (mg/dL)161.4 ± 116.9160.8 ± 117.1165.7 ± 116.20.653
Procalcitonin/albumin ratio002.7 ± 6.7002.0 ± 5.6007.3 ± 10.6< 0.001
hsCRP/albumin ratio002.9 ± 3.1002.6 ± 2.8004.2 ± 4.0< 0.001
Lactic acid/albumin ratio010.2 ± 11.0009.4 ± 9.3015.9 ± 17.7< 0.001
BUN/albumin ratio009.9 ± 8.7009.2 ± 8.1014.9 ± 10.5< 0.001

Data are presented as the mean ± standard deviation or n (%). Abbreviations: hsCRP, high sensitivity C-reactive protein; BUN, blood urea nitrogen.