Table 1. Sample characteristics.
| Participants T12 (n=159) |
Participants T42 (n=96) |
Missing T42 (n=64) |
P-value | |
|---|---|---|---|---|
| Age at diagnosis, n(%) | 1.000 | |||
| Pre-school (ages 2-4) | 86 (54.1%) | 52 (54.17%) | 35 (54.69%) | |
| School-age (ages 5-9) | 73 (45.9%) | 44 (45.83%) | 29 (45.31%) | |
|
| ||||
| Sex, n(%) | <0.01 | |||
| Female | 76 (47.8%) | 59 (61.46%) | 18 (28.13%) | |
| Male | 83 (52.2%) | 37 (38.54%) | 46 (71.88%) | |
|
| ||||
| Child ethnicity, n(%) | 0.75 | |||
| White, non-Hispanic | 108 (67.9%) | 65 (67.71%) | 43 (67.19%) | |
| Black, non-Hispanic | 11 (6.9%) | 5 (5.21%) | 6 (9.38%) | |
| Hispanic | 26 (16.4%) | 17 (17.71%) | 10 (15.63%) | |
| Other | 14 (8.8%) | 9 (9.38%) | 5 (7.81%) | |
|
| ||||
| Marital status, n(%) | 0.40 | |||
| Married | 105 (66.0%) | 77 (80.21%) | 44 (68.75%) | |
| Not Married | 45 (28.3%) | 16 (16.67%) | 14 (21.88%) | |
| Missing | 9 (5.7%) | 3 (3.12%) | 6 (9.4%) | |
|
| ||||
| Treatment randomization, n(%) | 0.23 | |||
| Standard CS/standard IM-DI1 | 42 (26.42%) | 26 (27.08%) | 17 (26.56%) | |
| Intensified CS/standard IM-DI1 | 51 (32.08%) | 26 (27.08%) | 25 (39.06%) | |
| Standard CS/augmented IM-DI1 | 37 (23.27%) | 27 (28.13%) | 10 (15.63%) | |
| Intensified CS/augmented IM-DI1 | 29 (18.24%) | 17 (17.71%) | 12 (18.75%) | |
1
CS=Consolidation, IM=Interim Maintenance, DI=Delayed Intensification
2
T1=start of consolidation, T4=3 months after completion of therapy
*
p-value denotes exact chi-squared test comparison between T4 participants and missing T4 data