Table 2.
Characteristics of the Study Population and Association of Parameters With Age
| Characteristic | All, n=1054 | Age, No. (%) | P a | ||
|---|---|---|---|---|---|
| <10 Years, n=176, 17% | 10-17 Years, n=749, 71% | ≥18 Years, n=129, 12% | |||
| Sex | <.001b | ||||
| Male | 593 (56) | 91 (52) | 406 (54) | 96 (74) | |
| Female | 461 (44) | 85 (48) | 343 (46) | 33 (26) | |
| Race | .059 | ||||
| Black | 151 (14) | 27 (15) | 107 (14) | 17 (13) | |
| Hispanic | 125 (12) | 28 (16) | 90 (12) | 7 (5) | |
| Other | 78 (7) | 17 (10) | 51 (7) | 10 (8) | |
| White | 695 (66) | 103 (59) | 498 (67) | 94 (73) | |
| Unknown | 5 (1) | 1 (< 1) | 3 (< 1) | 1 (1) | |
| Site | .066 | ||||
| Extremity | 1010 (96) | 171 (97) | 720 (96) | 119 (92) | |
| Pelvic | 26 (2) | 1 (1) | 19 (3) | 6 (5) | |
| Other | 18 (2) | 4 (2) | 10 (1) | 4 (3) | |
| Metastatic | .212 | ||||
| Yes | 176 (17) | 22 (13) | 134 (18) | 20 (16) | |
| No | 878 (83) | 154 (87) | 615 (82) | 109 (84) | |
| Study | N/A | ||||
| INT-0133 | 745 (70) | 130 (74) | 528 (70) | 87 (67) | |
| CCG-7943 | 28 (3) | 6 (3) | 17 (2) | 5 (4) | |
| AOST0121 | 81 (8) | 6 (3) | 67 (9) | 6 (5) | |
| POG-9754 | 202 (19) | 34 (19) | 137 (18) | 31 (24) | |
| Response, n=768 | .349 | ||||
| Good | 353 (46) | 65 (51) | 249 (46) | 39 (41) | |
| Poor | 415 (54) | 63 (49) | 296 (54) | 56 (59) | |
| Tumor margins, n=728 | .893 | ||||
| Positive | 62 (8) | 12 (9) | 42 (8) | 8 (9) | |
| Negative | 682 (92) | 118 (91) | 482 (92) | 85 (91) | |
Abbreviation: N/A, not applicable.
a
P value associated with the test of the hypothesis that the row characteristic is independent of age.
b
Statistically significant.