Carbon Dioxide Insufflation in Colonoscopy Is Safe: A Prospective Trial of 347 Patients

Table 1

Results (mean ± SD)¹.

	1st sample (𝑛=109)	2nd sample (𝑛=238)	All (𝑛=347)
Sex, female	62%	55%	57%
Propofol (mg)	134±56	137±68	136±64
CO2 start (mm Hg)	33.4±4.7	35.4±5.4	34.7±5.3
CO2 ileum (mm Hg)	37.3±5.2	39.6±5.5	38.9±5.5
CO2 end (mm Hg)	35.2±4.3	37.7±5.1	36.9±5.0
Amount CO2 (L)	51±14	47±15	48±15

¹ All P values > 0.05.