Table 1 Clinical features of HSP patients with joint involvements (N = 71)

Skin rash

71

100

Joint manifestations

71

100

Arthritis

62

87

Arthralgias

9

13

Gastrointestinal manifestations

40

56

Abdominal pain

35

49

Vomiting

21

30

Gastrointestinal bleeding

13

18

Renal involvement

37

52

Acute nephritis

31

44

Hematuria and proteinuria

13

18

Nephrotic syndrome

11

15

Proteinuria

8

11

Hematuria

6

8

Chronic nephritis

2

3

Leg edema

12

17

Fever

7

10

Scrotum pain

5

7

Nervous system involvement

3

4

Lung involvement

2

3