Table 4 Univariate and multivariate analysis on poor prognosis (Death).

From: High aspartate aminotransferase to alanine aminotransferase ratio on admission as risk factor for poor prognosis in COVID-19 patients

Biochemical parameters

Univariate analysis

Selection process of variables

Multivariate analysis

OR

P Value

VIF

Correlat coefficiention

P Value

OR

P Value

Liver

AST/ALT

3.62 (2.35–5.57)

 < 0.001*

1.5

99.9 (2.1–4280.5)

0.02*

Total bilirubin

1.06 (1.02–1.11)

0.004*

1.2

0.99 (0.88–1.12)

0.916

Kidney

Blood urea nitrogen

1.14 (1.09–1.19)

 < 0.001*

7.8

0.34

 < 0.001*

1.64 (1.01–2.66)

0.047*

Creatinine

1.002 (1.001–1.003)

 < 0.001*

8.2

0.25

 < 0.001*

Heart

Lactate dehydrogenase

1.009 (1.006–1.011)

 < 0.001*

2.3

1.02 (1–1.03)

0.05

Creatinine kinase

1.001 (1–1.002)

0.103

Creatine kinase–MB

1.05 (1.01–1.09)

0.006*

1.3

0.79 (0.52–1.19)

0.252

Blood

White blood cell count

1.17 (1.09–1.26)

 < 0.001*

18.7

0.11

0.01*

  

Neutrophil count

1.24 (1.15–1.34)

 < 0.001*

18.2

0.18

 < 0.001*

0.66 (0.28–1.54)

0.333

Lymphocyte count

0.17 (0.08–0.34)

 < 0.001*

2.7

0.11 (0.04–2.78)

0.181

Hemoglobin

0.98 (0.97–0.99)

0.002*

1.2

0.94 (0.87–1.01)

0.103

Platelet count

0.99 (0.98–0.99)

 < 0.001*

1.6

1.01 (0.98–1.04)

0.47

Microcirculation dysfunction

Lactate

2.3 (1.75–3)

 < 0.001*

1.3

30.53 (2.1–444.4)

0.012*

D-dimer

1.02 (1–1.04)

0.018*

1.4

0.99 (0.95–1.03)

0.493

Fibrinogen

1.52 (1.14–2.03)

0.004*

1.7

1.46 (0.38–5.66)

0.581

Systematic inflammation

IL-6

1.04 (1.02–1.06)

 < 0.001*

1.5

1.05 (1–1.1)

0.054

C-reactive protein

1.26 (1.19–1.34)

 < 0.001*

2.7

0.92 (0.6–1.4)

0.671

Procalcitonin

69.6 (17.6–275.8)

 < 0.001*

2.3

0.33 (0.004–25.44)

0.618

  1. Patients with clear survival data (recovery and death) were enrolled in the analysis on prognosis (N = 555).
  2. #Variance inflation factor (VIF) > 5 was considered collinearity.
  3. *A two-tailed P value less than 0.05 was considered statistically significant.