Table 1. The characteristics of patients in both cohorts.
|
Categorical variables
|
STBSG | FSG | |
|---|---|---|---|
| Parameters | Categories | Cases (%) | Cases (%) |
| Gender | Unknown | 78 (2.6) | 0 (0) |
| Men | 1464 (48.8) | 192 (47.6) | |
| Women | 1460 (48.6) | 211 (52.4) | |
| Performance status | Unknown | 140 (4.7) | 49 (12.2) |
| 0 | 1201 (40.0) | 166 (41.2) | |
| 1 | 1361(45.3) | 157 (39.0) | |
| 2 | 295 (9.8) | 31 (7.7) | |
| 3 | 5 (0.2) | 0 (0) | |
| Interval | Unknown | 243 (8.1) | 50 (12.3) |
| 0–60 days | 841 (28.0) | 274 (67.9) | |
| 61–180 days | 473 (15.8) | 0 (0) | |
| 181–540 days | 723 (24.1) | 0 (0) | |
| >540 days | 722 (24.1) | 80 (19.8) | |
| Histological subtypes | Unknown | 177 (5.9) | 0 (0) |
| Angiosarcoma | 120 (4.0) | 17 (4.2) | |
| Fibrosarcoma | 178 (5.9) | 8 (2.0) | |
| Leiomyosarcoma | 907 (30.2) | 108 (26.8) | |
| Liposarcoma | 260 (8.7) | 44 (10.9) | |
| MHF | 303 (10.1) | 20 (5.0) | |
| MPNST | 144 (4.8) | 16 (4.0) | |
| Other | 292 (9.7) | 68 (16.9) | |
| Rhabdomyosarcoma | 104 (3.5) | 22 (5.5) | |
| Synovial sarcoma | 249 (8.3) | 34 (8.4) | |
| Unclassified | 268 (8.9) | 66 (16.4) | |
| Grade | Unknown | 1122 (37.4) | 25 (6.2) |
| I | 267 (8.9) | 20 (5.0) | |
| II | 707 (23.6) | 107 (26.6) | |
| III | 906 (30.2) | 177 (43.0) | |
| Not applicable | 0 (0) | 74 (18.4) | |
| Location | Unknown | 1068 (35.6) | 1 (0.2) |
| Abdominal | 409 (13.6) | 67 (16.6) | |
| Breast | 23 (0.8) | 0 (0) | |
| Gynaecological | 281 (9.4) | 56 (13.9) | |
| Head and neck | 78 (2.6) | 18 (4.5) | |
| Lower limbs | 507 (16.9) | 138 (34.2) | |
| Other | 18 (0.6) | 8 (2.0) | |
| Skin | 15 (0.5) | 2 (0.5) | |
| Trunk | 231 (7.7) | 23 (6.9) | |
| Upper limbs | 170 (5.7) | 31 (7.7) | |
| Visceral | 202 (6.7) | 54 (13.4) | |
| Lung met. | Unknown | 134 (4.5) | 125 (31.0) |
| No | 1280 (42.6) | 86 (21.3) | |
| Yes | 1588 (52.9) | 192 (47.6) | |
| Liver met. | Unknown | 270 (9.0) | 125 (31.0) |
| No | 2211 (73.7) | 230 (57.1) | |
| Yes | 521 (17.4) | 48 (11.9) | |
| Bone met. | Unknown | 602 (20.1) | 126 (31.3) |
| No | 2122 (70.7) | 240 (59.6) | |
| Yes | 278 (9.3) | 37 (9.2) | |
| Other met. | Unknown | 639 (21.3) | 126 (31.3) |
| No | 1329 (44.3) | 240 (59.6) | |
| Yes | 1034 (34.4) | 37 (9.2) | |
| Previous chemotherapy | Unknown | 129 (4.3) | 0 (0) |
| No | 2825 (94.1) | 404 (100) | |
| Yes | 48 (1.6) | 0 (0) | |
Abbreviations: STBSG=Soft Tissue and Bone Sarcoma Group; FSG=French Sarcoma Group; MHF=malignant histiocytofibroma; MPNST=malignant peripheral nerve sheath tumour; met.=metastasis.