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. 2015 Aug 11;126(15):1770–1776. doi: 10.1182/blood-2015-05-643601

Table 1.

Patient characteristics by cohort

COG AALL0232 SJ Total XV Vanderbilt BioVU
All (n = 2285) Cases (n = 250) Controls (n = 2035) All (n = 361) Cases (n = 68) Controls (n = 293) All (n = 309) Cases (n = 82) Controls (n = 227)
Ancestry classification
 White 1275 164 (12.9%) 1111 (87.1%) 260 53 (20.4%) 207 (79.6%) 216 57 (26.4%) 159 (73.6%)
 Black 139 4 (2.9%) 135 (97.1%) 55 6 (10.9%) 49 (89.0%) 54 15 (27.8%) 39 (72.2%)
 Hispanic 601 58 (9.7%) 543 (90.3%) 25 6 (24%) 19 (75%) 14 4 (28.6%) 10 (71.4%)
 Asian 48 5 (10.4%) 43 (89.6%) 4 0 (0%) 4 (100%) 2 1 (50.0%) 1 (50.0%)
 Other 222 19 (8.6%) 203 (91.4%) 17 3 (17.6%) 14 (82.4%) 23 5 (21.7%) 18 (78.3%)
Gender
 Male 1244 120 (9.6%) 1124 (90.4%)) 197 37 (18.8%) 160 (81.2%) 100 29 (29.0%) 71 (71.0%)
 Female 1041 130 (12.5%) 911 (87.5%) 164 31 (18.9%) 133 (81.1%) 209 53 (25.4%) 156 (74.6%)
Age (y, at diagnosis)
 1-10 817 20 (2.4%) 797 (97.6%) 270 28 (10.4%) 242 (89.6%) 13 2 (15.4%) 11 (84.6%)
 ≥10 1468 230 (15.7%) 1238 (84.3%) 91 40 (44.0%) 51 (56%) 296 80 (27.0%) 216 (73.0%)

Patient characteristics are listed by osteonecrosis cases and controls within each cohort. Ancestry was genomically determined as described in “Methods.”