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Table 1 Epidemiological data, etiologic factors and clinical features in 208 children with IgAV

From: Epidemiological and clinical aspects of immunoglobulin A vasculitis in childhood: a retrospective cohort study

Demographic characteristics of the cohort n = 208 % of the cohort
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