Table 3 Multiple competing risk regression analysis of soft tissue sarcoma of the head, neck, and extremities without lymph node metastasis
Variables | sHR (95%CI) | p value |
|---|---|---|
Age, years | ||
< 19 | Reference | |
≥ 19 | 1.876 (1.341–2.625) | < 0.001 |
Sex | ||
Female | Reference | |
Male | 0.96 (0.822–1.120) | 0.60 |
Race | ||
White | Reference | |
Black | 1.098 (0.865–1.393) | 0.44 |
Other | 1.031 (0.759–1.400) | 0.84 |
Year of diagnosis | ||
1988–2005 | Reference | |
2006–2015 | 0.917 (0.788–1.066) | 0.26 |
Site | ||
Head, Face, Neck | Reference | |
Upper limb, shoulder | 0.817 (0.475–1.406) | 0.47 |
Lower limb, hip | 0.926 (0.547–1.568) | 0.77 |
Grade | ||
I + II | Reference | |
III + IV | 1.771 (1.422–2.206) | < 0.001 |
Other | 1.400 (1.100–1.783) | 0.01 |
Laterality | ||
Left | Reference | |
Right | 1.100 (0.932–1.300) | 0.26 |
Unknown | 1.581 (0.916–2.729) | 0.10 |
Histology | ||
Leiomyosarcoma | Reference | |
Rhabdomyosarcoma | 1.387 (1.080–1.779) | 0.01 |
Angiosarcoma | 1.817 (1.477–2.237) | < 0.001 |
Ewing sarcoma | 0.807 (0.553–1.178) | 0.27 |
Epithelioid sarcoma | 1.463 (1.029–2.080) | 0.03 |
Clear cell sarcoma | 2.321 (1.616–3.333) | < 0.001 |
Stage | ||
Localized | Reference | |
Regional | 1.452 (1.220–1.728) | < 0.001 |
Distant | 4.428 (3.356–5.843) | < 0.001 |
Negative lymph nodes dissection | ||
No | Reference | |
Yes | 0.838 (0.662–1.061) | 0.14 |
Size, cm | ||
< 4 | Reference | |
4–10 | 2.655 (2.174–3.243) | < 0.001 |
≥ 10 | 4.656 (3.699–5.861) | < 0.001 |
Marital status | ||
Married | Reference | |
Never married | 1.116 (0.912–1.366) | 0.29 |
Divorced/widowed/separated | 1.554 (1.272–1.897) | < 0.001 |
Unknown | 1.170 (0.746–1.837) | 0.49 |