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Table 3 Survival analyses of clinical and biological markers in the recent and the entire cohort

From: Chromosome 1q gain and tenascin-C expression are candidate markers to define different risk groups in pediatric posterior fossa ependymoma

Parameters

Overall survival

Progression free survival

Overall survival

1992–2014

1992–2014

1965–2014

(n = 27)

(n = 27)

(n = 46)

HR (95 % CI)

p-value

HR (95 % CI)

p-value

HR (95 % CI)

p-value

Univariate

      

Age (years)

0.957 (0.807; 1.135)

0.609

0.930 (0.800; 1.080)

0.324

0.956 (0.875; 1.046)

0.322

Extent of resection

GTR/non-GTR

1.416 (0.173; 11.57)

0.744

5.379 (1.068; 27.08)

0.042

2.876 (1.243; 6.657)

0.010

WHO grade

II/III

7.289 (0.911; 942.8)

0.065

2.421 (0.516; 11.36)

0.249

1.094 (0.448; 2.670)

0.844

TNC

positive/negative

3.739 (0.470; 483.4)

0.184

6.624 (0.841; 856.9)

0.079

9.583 (1.323; 1219)

0.031

LAMA2

positive/negative

1.800 (0.369; 8.776)

0.461

1.701 (0.466; 6.209)

0.416

1.141 (0.497; 2.619)

0.756

Chromosome 1q25

gain/no gain

4.374 (1.085; 17.63)

0.024

4.855 (1.342; 17.56)

0.008

2.474 (0.915; 6.692)

0.065

Multivariable

(n = 26/26/38)

      

TNC

positive/negative

1.872 (0.067; 52.31)

0.712

4.593 (0.505; 608.6)

0.348

3.807 (0.453; 496.7)

0.391

Chromosome 1q25

gain/no gain

4.409 (0.894; 21.74)

0.068

5.204 (1.369; 21.76)

0.024

2.025 (0.745; 5.307)

0.171

Extent of resection

GTR/non-GTR

2.662 (0.767; 9.235)

0.123

2.585 (0.908; 6.235)

0.057

2.135 (0.933; 4.464)

0.062

  1. Hazard ratios (HR), 95 % confidence intervals (CI) and p-values are presented