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Table 5 Analysis of factors predicting local tumor control failure (Proportional hazards model)

From: Is stereotactic radiosurgery a rational treatment option for brain metastases from small cell lung cancer? A retrospective analysis of 70 consecutive patients

Covariate

P value

Hazard ratio (95% CI)

Prior WBRT

< .001

7.11 (2.80–18.0)

Large target volume (>2 mL)

0.085

0.865 (0.193–3.88)

Tumor causing focal deficit

0.97

1.05 (0.104–5.14)

Low marginal dose (<20Gy)

0.024

4.24 (1.21–14.8)

  1. CI confidence interval, WBRT whole brain radiotherapy.
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BMC Cancer

ISSN: 1471-2407

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