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Table 2 Median survival data (months) of metastatic angiosarcomas

From: Survival predictors of metastatic angiosarcomas: a surveillance, epidemiology, and end results program population-based retrospective study

Variable

OS

CSS

Estimate ± SE

95%CI

Estimate ± SE

95%CI

Age at diagnosis (years)

 ≤ 60

5.0 ± 0.9

3.323–6.677

5.0 ± 0.9

3.228–6.772

 > 60

2.0 ± 0.4

1.168–2.832

2.0 ± 0.5

1.005–2.995

Gender

 Female

4.0 ± 0.7

2.575–5.425

4.0 ± 1.0

2.100–5.900

 Male

3.0 ± 0.6

1.795–4.205

3.0 ± 0.6

1.845–4.155

Race

 White

3.0 ± 0.5

2.063–3.937

3.0 ± 0.5

1.972–4.028

 Black

4.0 ± 1.7

0.757–7.243

4.0 ± 1.4

1.309–6.691

 Other

6.0 ± 4.2

0.000–14.305

6.0 ± 2.6

0.842–11.158

Year of diagnosis

 2010–2012

4.0 ± 1.0

2.068–5.932

3.0 ± 0.9

1.280–4.720

 2013–2014

4.0 ± 0.8

2.403–5.597

3.0 ± 0.9

1.272–4.728

 2015–2016

3.0 ± 0.6

1.844–4.156

3.0 ± 1.0

1.124–4.876

Grade

 I + II

N/A

N/A

3.0 ± 0.6

1.863–4.137

 III

4.0 ± 1.0

2.137–5.863

4.0 ± 1.5

0.986–7.014

 IV

4.0 ± 0.7

2.534–5.466

4.0 ± 0.7

2.588–5.412

NO. of metastatic sites

 1

3.0 ± 0.6

1.789–4.211

4.0 ± 0.9

2.162–5.838

 ≥ 2

3.0 ± 0.7

1.589–4.411

3.0 ± 0.7

1.629–4.371

Size (cm)

 ≤ 10

6.0 ± 1.1

3.887–8.113

9.0 ± 1.9

5.337–12.663

 > 10

2.0 ± 0.7

0.701–3.299

3.0 ± 0.6

1.840–4.160

Treatment

 Chemotherapy

  Yes

8.0 ± 1.0

6.083–9.917

8.0 ± 1.3

5.444–10.556

  No

1.0 ± 0.2

0.692–1.308

1.0 ± 0.2

0.636–1.364

RT

 Yes

7.0 ± 1.6

3.875–10.125

6.0 ± 1.6

2.870–9.130

 No

3.0 ± 0.4

2.202–3.798

3.0 ± 0.4

2.200–3.800

ST

 Yes

3.0 ± 0.5

2.022–3.978

3.0 ± 0.6

1.876–4.124

 No

3.0 ± 0.7

1.710–4.290

3.0 ± 0.7

1.621–4.379

Overall

3.0 ± 0.5

2.078–3.922

3.0 ± 0.5

1.979–4.021

  1. Abbreviations: OS overall survival, CSS cancer-specific survival, N/A means that the median survival time was not available due to death event occurring in fewer than 50% of cases in the cohort, SE standard error, CI confidence interval, RT radiation treatment, ST surgery treatment