TABLE 1.

Characteristics of Pediatric Patients Treated by the Children’s Oncology Group in the United States and by the Children’s Cancer and Leukemia Group in the United Kingdom (n = 98)

Patient Characteristic	Value
Age, mean ± SD (range), y	10 ± 3 (0–17)
Stage, No. (%)
I	59 (60)
II	12 (12)
III	27 (28)
IV	0
Grade, No. (%)
1	30 (31)
2	20 (20)
3	38 (39)
Missing	10 (10)
AFP at presentation
Mean ± SD, ng/mL	83 ± 182.7
Normal (<10 ng/mL), No. (%)	45 (46)
High, No. (%)	44 (45)
Missing, No. (%)	9 (9)
Treatment, No. (%)
Surgery and chemotherapy	8 (8)
Surgery	90 (92)

Abbreviations: AFP, α-fetoprotein; SD, standard deviation.