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Table 1 Summary of clinical grading, imaging signs, and prognoses of patients

From: Analysis of CT and MR imaging features of the brain in patients with hydrogen sulfide poisoning based on clinical symptom grading

 

Imaging sign

Frequency of sign

Patient’s prognosis (GCS)

Clinical grading

Patient (N = 40)

Generalized brain edema

Symmetrical hypodense/abnormal intensities in bilateral basal ganglia and around lateral ventricles

Subarachnoid or intracerebral hemorrhage

Cerebellar tonsillar herniation

Severe (N = 13)

1

 

  

1

Poor (3)

2

 

  

1

Poor (7)

3

 

 

2

Poor (3)

4

  

2

Poor (3)

5

 

  

1

Good (15)

6

 

3

Poor (3)

7

   

1

Good (15)

8

    

0

Good (15)

9

    

0

Good (15)

10

 

3

Poor (3)

11

 

3

Poor (3)

12

 

  

1

Poor (4)

13

 

  

1

Poor (5)

Moderate (N = 17)

14

    

0

Good (15)

15

   

1

Good (15)

16

    

0

Good (15)

17

    

0

Good (15)

18

    

0

Good (15)

19

    

0

Good (15)

20

    

0

Good (15)

21

    

0

Good (15)

22

    

0

Good (15)

23

    

0

Good (15)

24

    

0

Good (15)

25

    

0

Good (15)

26

    

0

Good (15)

27

    

0

Good (15)

28

    

0

Good (15)

29

    

0

Good (15)

30

    

0

Good (15)

Minor (N = 10)

31

    

0

Good (15)

32

    

0

Good (15)

33

    

0

Good (15)

34

    

0

Good (15)

35

    

0

Good (15)

36

    

0

Good (15)

37

    

0

Good (15)

38

    

0

Good (15)

39

    

0

Good (15)

40

    

0

Good (15)

  1. “√” denotes imaging signs appeared in the patient