An international study has found 1 in 10 people under general anaesthesia were able to respond to commands but couldn’t remember doing so after surgery.

Nearly half of those who responded to commands also responded to confirm they had pain.

University of Sydney Professor Robert Sanders told Deborah Knight women were at higher risk than men.

“We need to understand why … that’s not something that’s clear that there should be such a profound difference based on biological sex.

“If we are in any way not providing adequate anesthesia to women that’s something our research network firmly needs to address.”

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