|
Mean age (years), (Range)
|
6.44 (0–18)
| |
|
Males
|
108
|
51
|
|
Female
|
100
|
49
|
|
Ratio M:F
|
1.08:1
| |
|
Seasonal pattern
|
|
Spring-summer
|
63
|
30
|
|
Autumn-winter
|
145
|
70
|
|
Possible etiological factors
|
|
Total
|
132
|
63
|
|
Identified
|
59
|
28
|
|
Group A beta hemolytic streptococcus
|
40
|
19
|
|
Adenovirus
|
9
|
4
|
|
Mycoplasma
|
5
|
2
|
|
Coxsackievirus
|
2
|
1
|
|
Respiratory Syncytial Virus
|
2
|
1
|
|
Epstein Barr Virus
|
1
|
0.5
|
|
Symptoms
|
|
Purpura
|
208
|
100
|
|
Diffuse
|
117
|
56
|
|
Leg and buttocks
|
23
|
11
|
|
Arthritis
|
48
|
23
|
|
Major joints
|
44
|
22
|
|
Minor joints
|
29
|
14
|
|
Abdominal pain
|
52
|
25
|
|
GI complications
|
7
|
4
|
|
Thickening of the bowel wall
|
3
|
2
|
|
Peritoneal effusion
|
2
|
1
|
|
Intussusception
|
2
|
1
|
|
Renal involvement
|
58
|
28
|
|
Proteinuria
|
41
|
20
|
|
Hematuria
|
38
|
18
|
|
Both
|
21
|
10
|
|
Mesangial IgA deposits
|
3
|
1
|
|
Scrotal involvement
|
7
|
4
|
|
Cardiovascular involvement
|
5
|
3
|
|
Mild ECG alterations
|
2
| |
|
Cardiac abnormalities
|
3
| |
|
Pulmonary complications
|
1
|
0.5
|
