Table 2.
Race stratified for the major prognostic factors studied in this article*
| Factor | Race | |||||||
|---|---|---|---|---|---|---|---|---|
| East Asian | Black | White | Others | |||||
| No. | (%) | No. | (%) | No. | (%) | No. | (%) | |
| Sex | ||||||||
| Female | 33 | (46) | 53 | (40) | 331 | (45) | 18 | (34) |
| Male | 39 | (54) | 80 | (60) | 411 | (55) | 35 | (66) |
| Age (years) | ||||||||
| 1–10 | 14 | (19) | 27 | (20) | 124 | (17) | 7 | (13) |
| 11–20 | 50 | (69) | 87 | (65) | 486 | (65) | 40 | (76) |
| 21–30 | 8 | (11) | 19 | (14) | 132 | (18) | 6 | (11) |
| Venue | ||||||||
| Good results | 70 | (97) | 91 | (68) | 583 | (79) | 39 | (74) |
| Bad results | 2 | (3) | 42 | (32) | 159 | (21) | 14 | (26) |
| Decade | ||||||||
| 1973–1980 | 11 | (15) | 32 | (24) | 188 | (25) | 16 | (30) |
| 1981–1990 | 22 | (31) | 49 | (37) | 236 | (32) | 14 | (26) |
| 1991–2000 | 39 | (54) | 52 | (39) | 318 | (43) | 23 | (43) |
| Grade | ||||||||
| Low | 2 | (6) | 4 | (7) | 43 | (15) | 2 | (9) |
| High | 31 | (94) | 52 | (93) | 244 | (85) | 20 | (91) |
| Histology | ||||||||
| Small cell | 1 | (1) | 0 | (0) | 3 | (0) | 0 | (0) |
| Telangiectatic | 4 | (6) | 4 | (3) | 21 | (3) | 0 | (0) |
| Fibroblastic | 3 | (4) | 8 | (6) | 35 | (5) | 2 | (4) |
| Chondroblastic | 8 | (11) | 13 | (10) | 69 | (9) | 6 | (11) |
| Not otherwise specified | 56 | (78) | 108 | (81) | 614 | (83) | 45 | (85) |
| Site | ||||||||
| Upper limb | 10 | (14) | 18 | (14) | 97 | (13) | 4 | (8) |
| Lower limb | 62 | (86) | 115 | (86) | 645 | (87) | 49 | (92) |
| Surgery | ||||||||
| Wide excision | 7 | (25) | 7 | (17) | 40 | (19) | 3 | (17) |
| Radical resection | 15 | (54) | 20 | (48) | 106 | (50) | 9 | (50) |
| Amputation | 5 | (18) | 13 | (31) | 61 | (29) | 4 | (22) |
| Major amputation | 1 | (4) | 2 | (5) | 7 | (3) | 2 | (11) |
| Compartmentalization | ||||||||
| Intracompartmental | 14 | (38) | 20 | (38) | 72 | (28) | 6 | (43) |
| Extracompartmental | 23 | (62) | 33 | (62) | 183 | (72) | 8 | (57) |
| Size | ||||||||
| 8 cm or less | 17 | (77) | 13 | (39) | 94 | (53) | 7 | (54) |
| More than 8 cm | 5 | (23) | 20 | (61) | 82 | (47) | 6 | (46) |
| Number of primaries | ||||||||
| Single | 70 | (97) | 124 | (93) | 728 | (98) | 50 | (94) |
| Multiple | 2 | (3) | 9 | (7) | 14 | (2) | 3 | (6) |
* There were relatively more East Asian patients treated in the 1990s who had limb-preserving surgery for small tumors in states with standard survival results (underlined) that could have accounted for their better performance.