What do systematic reviews say?

Bispectral index vs ETAG

The review found no eligible studies for this question.

• Bispectral index for improving intraoperative awareness and early postoperative recovery in adults 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Bispectral index vs clinical signs

• Bispectral index for improving intraoperative awareness and early postoperative recovery in adults 2019 · Cochrane Headline outcomes only
  no estimate extracted
  6 studies · 273 participants
  Low