Study flow diagram.

<p>Study flow diagram.</p

Forrest plot of awake craniotomy failure.

<p>The summary value is an overall estimate from a random-effect model. The vertical dotted line shows an overall estimate of outcome proportion (based on the meta-analysis) disregarding grouping by technique. Of note, Souter et al. [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0156448#pone.0156448.ref060" target="_blank">60</a>] have used both anaesthesia techniques.</p

Anaesthesia characteristics part 2.

<p>Anaesthesia characteristics part 2.</p

Study characteristics.

<p>Study characteristics.</p

Intraoperative characteristics and adverse events.

<p>Intraoperative characteristics and adverse events.</p

Patient outcomes.

<p>Patient outcomes.</p

Forrest plot of new neurological dysfunction.

<p>The summary value is an overall estimate from a random-effect model. The vertical dotted line shows an overall estimate of outcome proportion (based on the meta-analysis) disregarding grouping by technique. Neurol. dysf., neurological dysfunction.</p

Forrest plot of intraoperative seizures.

<p>The summary value is an overall estimate from a random-effect model. The vertical dotted line shows an overall estimate of outcome proportion (based on the meta-analysis) disregarding grouping by technique. Of note, Souter et al. [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0156448#pone.0156448.ref060" target="_blank">60</a>] have used both anaesthesia techniques.</p

Anaesthesia characteristics part 1.

<p>Anaesthesia characteristics part 1.</p

Forrest plot of conversion into general anaesthesia.

<p>The summary value is an overall estimate from a random-effect model. The vertical dotted line shows an overall estimate of outcome proportion (based on the meta-analysis) disregarding grouping by technique. Of note, Souter et al. [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0156448#pone.0156448.ref060" target="_blank">60</a>] have used both anaesthesia techniques. GA, general anaesthesia.</p