“…Males made up 37.2% of the total study sample. Body mass index (BMI) was reported in 14 out of 23 studies with a mean value of 22.6 kg/m 2 [13][14][15]18,[20][21][22][23]23,[25][26][27]27,30]. ASA status was not consistently reported; when reported, patients with an ASA status <3 comprised 91.2% of the study sample [10,11,13,15,16,18,[20][21][22]25,25,29,30].…”