Table I.
Demographics of paediatric patients with acute lymphoid leukaemia with and without Down syndrome.
| All patients (N = 10699) |
Patients with Down syndrome (N = 298) |
Patients without Down syndrome (N = 10401) |
P value* | |
|---|---|---|---|---|
| Age, n (%) | ||||
| <1 year | 291 (3) | 1 (0.3) | 290 (3) | |
| ≥1 year and <5 years | 4823 (45) | 142 (48) | 4681 (45) | 0.07 |
| ≥5 years and <10 years | 2744 (26) | 76 (26) | 2668 (26) | |
| ≥10 years and <15 years | 1757 (16) | 43 (14) | 1714 (16) | |
| ≥15 years | 1084 (10) | 36 (12) | 1048 (10) | |
| Gender, n (%) | ||||
| Male | 6001 (56) | 142 (48) | 5859 (56) | 0.003 |
| Female | 4698 (44) | 156 (52) | 4542 (44) | |
| Race, n (%) | ||||
| White | 8095 (76) | 246 (83) | 7849 (75) | 0.005 |
| Non-White† | 2604 (24) | 51 (17) | 2552 (25) | |
| Insurance at first admission, n (%) | ||||
| Private | 4286 (40) | 100 (34) | 4186 (40) | 0.002 |
| Public‡ | 4135 (39) | 144 (48) | 3991 (38) | |
| Other§ | 2278 (21) | 51 (18) | 2224 (21) | |
| Congenital Cardiac Abnormalities, n (%) | ||||
| Yes | 277 (3) | 78 (26) | 199 (2) | <0.0001 |
| No | 10422 (97) | 220 (74) | 10202 (98) | |
| Year of Admission, n (%) | ||||
| 1999–2005 | 4643 (43) | 112 (38) | 4521 (44) | 0.04 |
| 2006–2011 | 6056 (57) | 186 (62) | 5870 (56) |
*
P value is from chi-square tests.
†
Non-white includes Black, Asian/Pacific Islander, American Indian, Other and Unknown.
‡
Public includes Medicaid, Medicare, other government and Title V.
§
Other includes Self-pay, Other and Unknown.