TABLE I.
Demographic and Clinical Characteristics of the Patient Population (N=375)
| Characteristic | Statistics | ||
|---|---|---|---|
| Age at Diagnosis (years) | Mean | 6.11 | |
| Median | 4.64 | ||
| Standard deviation | 4.25 | ||
| Minimum | 0.04 | ||
| Maximum | 18.00 | ||
| Frequency Distributions | |||
| Characteristic | Category | n | % |
| Gender | Females | 168 | 44.8 |
| Males | 207 | 55.2 | |
| Treatment Center * | DFCI | 135 | 36.0 |
| Sainte Justine | 131 | 34.9 | |
| Laval | 36 | 9.6 | |
| Maine | 28 | 7.5 | |
| McMaster | 45 | 12.0 | |
| Diagnostic Group | Standard risk | 199 | 53.1 |
| High risk | 176 | 46.9 | |
| Treatment Response | Complete remission | 364 | 97.0 |
| Induction failure | 7 | 1.9 | |
| Induction death | 4 | 1.1 | |
| Relapse | No | 321 | 85.6 |
| Yes | 48 | 12.8 | |
| Unknown | 6 | 1.6 | |
| Status at End Of Study | Alive | 340 | 90.7 |
| Deceased | 32 | 8.5 | |
| Unknown / Lost to follow-up | 3 | 0.8 | |
n, number of patients;
*
, full names of treatment centers are in methods section of text.