Table 3 Development of scoring system based on best predictors for mortality.

From: Development and validation of a predictive scoring system for in-hospital mortality in COVID-19 Egyptian patients: a retrospective study

Factors

Coeff.

OR

WS

95% CI

p-value

Score

Model for score: SOM-1

Time till hospital admission (days)

− 0.60

0.55

15.88

(0.4081,0.7368)

 < 0.001

− 3

NLR

0.17

1.18

18.71

(1.0952,1.2733)

0.001

1

Old-age (> 60)

1.28

3.58

13.45

(1.8107,7.0752)

 < 0.001

5

High-CT-SS (> 20)

1.66

5.26

27.33

(2.8244,9.8121)

 < 0.001

14

Remdesivir (yes)

− 1.17

0.31

11.35

(0.1582,0.6140)

 < 0.001

− 4

Tocilizumab (yes)

0.52

1.68

2.81

(0.9164,3.0898)

0.09

1

Constant

− 1.06

0.34

3.12

  

14

Model for score: SOM-2

Time till hospital admission (days)

− 0.59

0.54

15.92

(0.4093,0.7372)

 < 0.001

− 4

NLR

0.17

1.18

19.64

(1.0996,1.2782)

 < 0.001

1

Old-age (> 60)

1.3

3.87

15.42

(1.9710,7.6171)

 < 0.001

8

High-CT-SS (> 20)

1.70

5.48

28.85

(2.9467,10.1984)

 < 0.001

18

Remdesivir (yes)

− 1.11

0.32

10.62

(0.1669,0.6402)

0.001

− 5

Constant

− 0.98

0.37

2.70

  

18

  1. Goodness of fit test: Hosmer–Lemeshow, P > 0.05 for all models, coeff: coefficient, OR: Odd ratio, CI: confidence interval, P < 0.05 considered significant, the sign before coefficient number denote the direction of relationship, WS: Wald statistics.
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