Table 1 Clinical characteristics

Number

27

9/27

11/27

5/27

2/27

N/A

Lethargy

8/27

2/9

2/11

3/5

1/2

Fisher’s exact test P ≥ 0.99

Pigmenturia

5/27

1/9

2/11

2/5

0/2

Fisher’s exact test P ≥ 0.99

Dyspnea

12/27

1/9

8/11

2/5

1/2

Fisher’s exact test P = 0.01 OR = 21.3, 95% CI = 2.15–259

Ascites

10/27

4/9

3/11

2/5

1/2

Fisher’s exact test P = 0.64

Syncope

5/27

1/9

2/11

2/5

0/2

Fisher’s exact test P ≥ 0.99

Anemia (PCV < 37%)

13/21

7/9

5/9

0/1

1/2

Fisher’s exact test P = 0.62

Thrombocytopenia (< 175,000)

10/20

4/9

4/8

0/1

2/2

Fisher’s exact test P ≥ 0.99

High worm burden

18/27

8/9

6/11

2/5

2/2

Fisher’s exact test P = 0.16

Caval syndrome

15/27

7/9

4/11

3/5

1/2

Fisher’s exact test P = 0.09