Clinical Study

Prognostic Impacts of Hypoxic Markers in Soft Tissue Sarcoma

Table 1

Prognostic relevance of clinicopathological variables for disease-specific survival in 206 non-gastrointestinal stromal tumor soft-tissue sarcomas (univariate analyses, log rank test, multivariate analyses, Cox proportional hazards model).

CharacteristicsUnivariate analysesMultivariate analyses*
Patients ( )Patients (%)Median survival (months)5-year survival (%) HR 95% CI

Age0.0300.121#
≤ 20 years17841471.000
21–60 years8943NR610.7280.281–1.8890.515
>60 years1004952461.2220.445–3.3560.698
Gender0.265
Male8943NR55
Female117577551
Patient nationality0.014
Norwegian14068NR581.0000.142
Russian663239421.4530.882–2.393
Histological entity0.0030.086#
Pleomorphic sarcoma542654481.000
Leiomyosarcoma482389640.5950.327–1.0820.089
Liposarcoma3216NR710.4110.169–0.9990.050
Fibrosarcoma168123560.7730.330–1.8080.552
Angiosarcoma10510301.1240.386–3.2760.830
Rhabdomyosarcoma12641500.4190.156–1.1260.085
MPNST94NR560.5440.162–1.8240.324
Synovial sarcoma13631281.2570.571–2.7670.570
Sarcoma NOS1269251.6400.707–3.8050.249
Tumor localization0.805
Extremities793812356
Trunk40194449
Retroperitoneum30155747
Head/neck1682747
Visceral41207557
Tumor size0.0190.061#
≤5 cm6029NR661.000
5–10 cm773762511.4780.825–2.6460.189
>10 cm673337442.0721.129–3.8010.019
Missing21
Malignancy grade<0.001<0.001#
15627NR781.000
2824062512.7611.352–5.6390.005
3683322344.6422.219–9.710<0.001
Tumor depth0.002
Superficial168NR931.000
Deep1909259507.6581.043–56.2150.045
Surgery<0.001
Yes19494123561.000
No1264016.6895.776–48.218<0.001
Resection margins<0.001
Wide9747NR661.000
Nonwide/no surgery1095336411.8941.214–2.9550.005
Chemotherapy 0.641
No166819154
Yes40194147
Radiotherapy0.224
No1416912755
Yes65325249

NR: not reached; MPNST: malignant peripheral nerve sheath tumor; NOS: not otherwise specified
*Only significant variables from the univariate analyses were entered into the multivariate analyses
#Overall significance as prognostic factor.