Propofol sedation in routine endoscopy: A case series comparing target controlled infusion vs manually controlled bolus concept

Table 4 Subgroup analysis according to duration of endoscopy: Long endoscopy > 60 min

Variable (mean ± SD)	Bolus (n = 13)	TCI (n = 9)	Delta	P value
Induction time (min)	6.08 ± 5.15	9.44 ± 3.50	3.36	< 0.01
Total time (min)	73.30 ± 14.29	69.89 ± 8.95	3.41	0.89
Total dose (mg)	656.15 ± 291.42	484.67 ± 200.02	71.48	0.27
Dose/time (mg/min)	8.94 ± 3.21	6.82 ± 2.44	2.12	0.08

TCI: Target controlled infusion.