TABLE I.

Characteristics of Pediatric ALL Patients (N = 83) at Tufts Medical Center, 1985–2010

Characteristics	N (%)
Age at diagnosis, years, median (Q1, Q3)	4.0 (2.0, 6.0)
Years since diagnosis, years, mean (SD)	13.4 (6.9)
Gender
Female	43 (51.8)
Male	40 (48.2)
Immunophenotype
Pre B ALL	79 (95.2)
T cell ALL	4 (4.8)
Risk treatment category
Standard risk	52 (62.7)
High risk	31 (37.4)
Cranial radiation therapy
Yes	13 (15.7)
No	70 (84.3)
Treatment protocol era
Pre-1990	8 (10.1)
1990–1999	58 (73.4)
2000–2010	13 (16.5)
Weight status at diagnosis
Underweight (BMI percentile <5th)	5 (6.0)
Healthy weight (BMI percentile = 5th–84.9th)	61 (73.5)
Overweight (BMI percentile = 85th–94.9th)	8 (9.6)
Obese (BMI percentile ≥95th)	9 (10.8)