Table 4 Predictive analysis.

From: The role of kidney dysfunction in COVID-19 and the influence of age

 

Accuracy (%)

Creatinine

CKD-EPI

BIS-1 over-70

BIS-1 over-80

MDRD

Overall population

Mortality

78.74

75.86

76.44

78.74

76.44

Composite

59.77

66.09

64.37

60.92

66.09

AKI

89.08

87.36

87.93

86.78

86.21

Age < 70 years

Mortality

88.37

90.70

-

-

91.86

Composite

70.93

76.74

-

-

70.93

AKI

89.53

94.19

-

-

91.86

Age ≥ 70 years

Mortality

69.32

67.05

67.05

61.36

71.59

Composite

69.32

67.05

72.73

63.64

75.00

AKI

81.82

82.95

72.73

77.27

84.09

  1. We calculated the accuracy (%) of prediction for mortality, composite endpoint and AKI using only a single indicator of kidney functionality (serum creatinine or a specific eGFR) together with the other variables, in the overall population, in the population with age < 70 years, and in the population with age ≥ 70 years. The other predictors or variables are age, blood urea nitrogen, comorbidities, leucocytes, neutrophils, and lymphocytes count, LDH, PCR, ferritin, procalcitonin, drugs.
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