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. 2021 Feb 2;53(5):525–533. doi: 10.1016/j.dld.2021.01.019

Table 3.

Logistic regression analysis to evaluate the association of fibrosis with clinical outcomes.

Endotracheal intubation – demographic variables
OR CI 95% β p value
Fibrosis APRI/NFS 2.595 1.187 - 5.662 0.954 0.017
Gender (Female) 0.478 0.202 – 1.131 -0.738 0.093
Age 0.980 0.969 – 0.991 -0.020 0.001
BMI > 30 kg/m2 0.788 0.409 – 1.519 -0.238 0.477
-2 log likelihood →block 0: 245.37, block 1:192.90; Cox & Snell R2: 0.257; Nagelkerke R2: 0.342; Hosmer and Lemeshow: 0.420
Endotracheal intubation – Biochemical variables
OR CI 95% β p value

Fibrosis APRI/NFS 2.869 1.181 – 6.970 1.054 0.020
LDH 1.000 0.997 – 1.002 0.001 0.889
CRP 1.038 0.993 – 1.086 0.038 0.099
CPK 1.000 0.999 – 1.001 0.000 0.514
Total lymphocytes 0.998 0.997 – 0.999 -0.002 0.000
-2 log likelihood →block 0: 227.35, block 1:195.675; Cox & Snell R2: 0.302; Nagelkerke R2: 0.402; Hosmer and Lemeshow: 0.202
Endotracheal intubation –Severity scores and markers
OR CI 95% β p value

Fibrosis APRI/NFS 2.601 1.112 – 6.084 0.956 0.027
PSI/PORT score 0.992 0.980 – 1.004 -0.008 0.185
qSOFA score 3.288 1.380 – 7.836 1.190 0.007
PaO2/FiO2 ratio 0.992 0.989 - 0.995 -0.008 0.000
NLR 1.003 0.973 – 1.035 0.003 0.827
-2 log likelihood →block 0: 238.44, block 1:169.73; Cox & Snell R2: 0.329; Nagelkerke R2: 0.439; Hosmer and Lemeshow: 0.359
Endotracheal intubation – Combined model
OR CI 95% β p value

Fibrosis APRI/NFS 3.243 1.355 – 7.760 1.176 0.008
Age 0.974 0.953 - 0.995 -0.026 0.017
Total lymphocytes 1.000 0.999 – 1.001 0.000 0.690
qSOFA 5.067 2.002 – 12.825 1.623 0.001
PaO2/FiO2 ratio 0.994 0.990 – 0.997 -0.006 0.001
-2 log likelihood →block 0: 239.82, block 1:163.66; Cox & Snell R2: 0.356; Nagelkerke R2: 0.475; Hosmer and Lemeshow: 0.154
Acute kidney injury - Demographic variables
OR CI 95% β p value

Fibrosis APRI/NFS 2.522 1.123 – 5.665 0.925 0.025
Gender (Female) 0.281 0.102 – 0.773 -1.268 0.014
Age 0.982 0.971 – 0.994 -0.018 0.002
BMI > 30 kg/m2 0.622 0.314 – 1.231 -0.476 0.173
-2 log likelihood →block 0: 243.98, block 1:179.58; Cox & Snell R2: 0.307; Nagelkerke R2: 0.409; Hosmer and Lemeshow: 0.868
Acute kidney injury –Biochemical variables
OR CI 95% β p value

Fibrosis APRI/NFS 2.634 1.031 - 6.732 0.968 0.043
LDH 1.004 1.001 – 1.007 0.004 0.019
CRP 1.039 0.990 – 1.091 0.093 0.118
CPK 1.000 0.999 – 1.001 0.000 0.994
Glucose 1.002 0.997 – 1.007 0.002 0.413
SBP 0.967 0.955 – 0.980 -0.033 0.000
-2 log likelihood →block 0: 221.80, block 1: 138.47; Cox & Snell R2: 0.406; Nagelkerke R2: 0.541; Hosmer and Lemeshow: 0.176
Acute kidney injury - Severity scores and markers
OR CI 95% β p value

Fibrosis APRI/NFS 2.640 1.077 – 6.470 0.971 0.034
SOFA 1.169 0.949 – 1.440 0.156 0.143
Bello-Chavolla score 0.973 0.865 – 1.095 -0.027 0.655
PaO2/FiO2 ratio 0.991 0.987 – 0.994 -0.009 0.000
NLR 1.021 0.991 – 1.051 0.021 0.168
-2 log likelihood →block 0: 232.89, block 1: 152.32; Cox & Snell R2: 0.381; Nagelkerke R2: 0.508; Hosmer and Lemeshow: 0.285
Acute kidney injury – Combined model
OR CI 95% β p value

Fibrosis APRI/NFS 2.511 1.000 – 6.304 0.921 0.050
Gender 0.397 0.130 – 1.206 -0.925 0.103
Age 1.014 0.981 – 1.049 0.014 0.405
PaO2/FiO2 ratio 0.995 0.991 – 0.999 0.005 0.028
LDH 1.004 1.001 – 1.007 0.004 0.007
SBP 0.979 0.961 – 0.997 0.021 0.024
-2 log likelihood →block 0: 230.12, block 1: 140.95; Cox & Snell R2: 0.416; Nagelkerke R2: 0.554; Hosmer and Lemeshow: 0.247

APRI, AST to platelet ratio index; NAFLD fibrosis score; BMI, body mass index; LDH, lactate dehydrogenase; CRP, c-reactive protein; CPK, creatine phosphokinase; NLR, Neutrophil/Lymphocyte ratio, SBP, systolic blood pressure.