Purpura | 1200 (100) | Infection | 611 (50.92) |
Arthritis/arthralgia | 524 (43.67) | Respiratory tract infection | 569 (47.42) |
Upper extremities | 70 (5.83) | Gastrointestinal infection | 75 (6.25) |
Lower extremities | 424 (35.33) | Urinary tract infection | 16 (1.33) |
Both upper and lower extremities | 30 (2.50) | Streptococcal infection | 205 (17.08%) |
Abdominal pain | 482 (40.17) | Helicobacter pylori infection | 71 (5.92) |
Isolated abdominal pain | 405 (33.75) | Mycoplasma infection | 58 (4.83) |
Gastrointestinal bleeding not associated with the following situations | 68 (5.67) | Tubercle bacillus infection | 1 (0.08) |
Intussusception | 3 (0.25) | Toxoplasma gondii infection | 1 (0.08) |
Appendicitis | 2 (0.17) | Allergy | 231 (19.25) |
Ileus | 2 (0.17) | Food allergy | 196 (16.33) |
Pancreatitis | 2 (0.17) | Drug allergy | 21 (1.75) |
Renal involvement | 218 (18.17) | House dust mite allergy | 10 (0.83) |
Proteinuria | 69 (5.75) | Grass pollen allergy | 4 (0.33) |
Hamaturia | 55 (4.58) | Injury | 15 (1.25) |
Hematuria plus albuminuria | 94 (7.83) | Surgery | 12 (1.00) |
| | Vaccination | 4 (0.33) |
| | Tick bite | 3 (0.25) |
| | Unknown | 521 (43.42) |