Determination of the appropriate propofol infusion rate for outpatient upper gastrointestinal endoscopy-a randomized prospective study

Table 3 Bispectral index value at different time points

Time points	500 ml/h	1000 ml/h	2000 ml/h
Baseline	96.0 ± 1.7	96.5 ± 1.5	96.1 ± 1.8
Loss of consciousness	80.0 ± 3.8	79.1 ± 3.7	75.9 ± 4.0^, *
Endoscope reaching the glottis	75.8 ± 3.9	74.9 ± 3.5	69.0 ± 2.7^, *
Endoscope reaching the duodenum	67.0 ± 2.9	68.0 ± 3.0	62.9 ± 4.5^, *
End of endoscopy	71.2 ± 5.6	72.0 ± 5.4	67.8 ± 3.1^, *
Recovery	87.6 ± 1.5	87.8 ± 1.5	87.5 ± 1.5

ISSN: 1471-230X