Correction to: BMC Anesthesiol (2019) 19:167

https://doi.org/10.1186/s12871-019-0835-2

Following publication of the original article [1], the authors reported that there has been a mistake regarding the unit of duration of surgery, consciousness recovery time, and extubation time in Table 1; the correct unit is minute. This is the correct information in Table 1:

Duration of surgery (min)

Consciousness recovery time (min)

Extubation time (min)