Table 1.

Characteristics of patients.

Sex (male:female ratio)	35:20
Age, months (range)	93.9 ± 65.5 (12–213)
Height, cm (range)	115.6 ± 30.7 (71–173.7)
Weight, kg (range)	24.1 ± 15.4 (6–57)
Underlying disease
Malignant disease	10
Allergic disease	9
Chromosome disorder	6
Chronic liver disease	4
Chronic cardiac disease	2
Severe physical disability	2
Others	5
None	17
Accompanying symptom
Abdominal pain	24
Vomiting (Bloody or tarry vomiting)	20 (9)
Fever	12
Diarrhea	9
Treatment
Blood transfusion	26