Table 1.
Patient characteristics
| Characteristic | DS, no. (%) (n = 80) | Non-DS, no. (%) (n = 2731) | P |
|---|---|---|---|
| Sex | .306 | ||
| Male | 38 (47.5) | 1469 (53.8) | |
| Female | 42 (52.5) | 1262 (46.2) | |
| Age, y | .789 | ||
| Less than 10 | 63 (78.8) | 2090 (76.5) | |
| More than or equal to 10 | 17 (21.2) | 641 (23.5) | |
| WBC | .295 | ||
| Less than 50 000 | 70 (87.5) | 2253 (82.5) | |
| More than or equal to 50 000 | 10 (12.5) | 478 (17.5) | |
| Race | .001 | ||
| White | 73 (91.2) | 2087 (76.4) | |
| Black | 0 (0) | 211 (7.7) | |
| Other | 7 (8.8) | 433 (15.9) | |
| NCI risk | .194 | ||
| Standard | 57 (71.2) | 1734 (63.5) | |
| High | 23 (28.8) | 997 (36.5) | |
| DNA index | < .001 | ||
| Less than or equal to 1.16 | 76 (95.0) | 2060 (75.4) | |
| More than 1.16 | 4 (5.0) | 671 (24.6) | |
| Response | .169 | ||
| CR | 76 (95) | 2659 (97.4) | |
| No CR | 4 (5) | 72 (2.6) | |
| MRD day 8 | < .017 | ||
| Less than 0.01% | 17 (24.6) | 713 (29.5) | |
| 0.01%-0.1% | 5 (7.3) | 420 (17.4) | |
| 0.1%-1.0% | 28 (40.6) | 619 (25.6) | |
| More than or equal to 1.0% | 19 (27.5) | 666 (27.5) | |
| MRD day 29 | .713 | ||
| Less than 0.01% | 48 (73.9) | 1885 (78.0) | |
| 0.01%- 0.1% | 8 (12.3) | 220 (9.1) | |
| 0.1%-1.0% | 5 (7.7) | 178 (7.4) | |
| More than or equal to 1.0% | 4 (6.1) | 132 (5.5) |
NCI indicates National Cancer Institute.