Research Article

Overall Survival and Response to Systemic Therapy in Metastatic Extrauterine Leiomyosarcoma

Table 2

Univariate analysis of clinicopathologic features on OS from time of metastasis.

VariableNumber of eventsMedian OS value

Time to metastatic disease (years, continuous)215190
Age
 ≤56104852.790.006
 >561111052.38
Primary tumor size
 <5 cm34262.920.711
 5–10 cm81752.54
 >10 cm80692.69
Gender
 Female1351152.910.005
 Male80752.19
Primary site
 A/P or RP1511312.730.097
 Extremity45402.54
 Trunk991.74
 Unknown10102.51
Margins
 Negative95822.580.801
 Positive48432.9
Grade
 Low/intermediate12114.170.165
 High1761552.54
Depth
 Superficial541.490.538
 Deep1961732.69
Number of metastatic sites
 <31441252.830.002
 ≥371652.03
KPS
 ≤701092.350.115
 >701331162.91
Lung metastases
 No102902.460.586
 Yes1131002.71
Liver metastases
 No1591432.710.529
 Yes56472.37
Treatment for recurrence
 Chemo only49402.370.077
 Local therapy only33303.06
 Chemo + local treatment40352.98
Year of metastatic disease
 Before 200051482.230.387
 2000 and after1641422.71

Treatment for recurrence only analyzed in patients presenting with primary disease. value comes from score test. A/P: abdomen/pelvis, RP: retroperitoneal, and chemo: chemotherapy.