Level of evidence in the literature concerning brain tumor resection.

@article{Proescholdt2005LevelOE,
  title={Level of evidence in the literature concerning brain tumor resection.},
  author={Martin A. Proescholdt and Christine Macher and Chris Woertgen and Alexander Brawanski},
  journal={Clinical neurology and neurosurgery},
  year={2005},
  volume={107 2},
  pages={95-8}
}
Microsurgical resection is a cornerstone in the treatment of brain tumors. However, the benefit of radical resection still remains controversial. We attempted to analyze the level of scientific evidence (LOE) and methodological aspects of studies concerning the impact of the extent of resection (EOR) on outcome. The LOE classification was Ia: 0%, Ib: 0%, IIa: 0.8%, IIb: 5.8%, IIc: 0%, IIIa: 13.3%, IIIb: 52.5%, IV: 10.8%, V:16.8%. 72.5% observed a positive effect of total tumor removal. 84.2… CONTINUE READING

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