The review found no eligible studies for this question.
Peripheral nerve block showed no clear difference in total number of block‐related complications compared with neuraxial block (low certainty).
It is very uncertain whether peripheral nerve block changes aute confusional state Disorientation compared with neuraxial block (very low certainty).
Peripheral nerve block probably leads to lower pruritus Subjective scale compared with neuraxial block (moderate certainty).
Peripheral nerve block showed no clear difference in hospital length of stay compared with neuraxial block (low certainty).
Peripheral nerve block showed no clear difference in time to first walk compared with neuraxial block (low certainty).
Peripheral nerve block showed no clear difference in patient satisfaction compared with neuraxial block (high certainty).
Peripheral nerve block showed no clear difference in pain at rest on arrival in postoperative care unit Verbal/visual… compared with neuraxial block (moderate certainty).
Peripheral nerve blocks showed no clear difference in pain at rest on arrival in postoperative care unit Visual/verbal… compared with systemic analgesia (moderate certainty).
It is very uncertain whether peripheral nerve blocks changes acute confusional state Complete loss of time and space orientation compared with systemic analgesia (very low certainty).
It is very uncertain whether peripheral nerve blocks changes pruritus compared with systemic analgesia (very low certainty).
It is very uncertain whether peripheral nerve blocks changes hospital length of stay Objective actual measurement compared with systemic analgesia (very low certainty).
It is very uncertain whether peripheral nerve blocks changes walking at postoperative day 1 Objective actual measurement compared with systemic analgesia (very low certainty).
Peripheral nerve blocks may leads to higher patient satisfaction Subjective scales compared with systemic analgesia (low certainty).