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Table 2 Modified Alvarado score and pathology code cross tabulation

From: Validation of the modified Alvarado score on patients attending A&E units with suspected appendicitis

 

Pathology code

0

1

2

3

Total

Modified Alvarado score

0

3

0

0

0

3

1

3

0

0

0

3

2

17

0

0

0

17

3

13

0

0

0

13

4

25

1

1

0

27

5

16

0

0

0

16

6

8

1

2

0

11

7

2

2

8

14

26

8

0

1

7

10

18

9

0

0

2

1

3

10

0

0

0

1

1

Total

87

5

20

26

138

  1. Pathology code:
  2. group 0 – no acute appendicitis, either no surgery performed or negative pathology,
  3. group 1 – other pathology was confirmed (cancer, diverticulum)
  4. group 2 – mild inflammation (simple, phlegmonous, superficial acute appendicitis),
  5. group 3 – severe inflammation (ulcero-phlegmonous, gangrenous acute appendicitis, perforation)