Comparison of the performance of MS enteroscope series and Japanese double- and single-balloon enteroscopes

Table 1 Detection time and serum gastrin level of MS series of small intestine endoscopes

Type	n	Serum gastrin level	Detection time (h)
MS-1 enteroscope	20	Before: 22.36 ± 2.88 pg/mL; After: 22.33 ± 2.98 pg/mL	2.30 ± 0.15
MS-2 enteroscope	20	Before: 21.88 ± 3.18 pg/mL; After: 22.08 ± 2.96 pg/mL	1.50 ± 0.30
MS-3 enteroscope	20	Before: 22.28 ± 3.06 pg/mL; After: 22.33 ± 2.98 pg/mL	0.67 ± 0.33
MS-4 enteroscope	19	Before: 21.30 ± 3.08 pg/mL; After: 21.66 ± 3.93 pg/mL	1.00 ± 0.13

Table 2 Detection time of the Japanese small intestine endoscopes

Type	n	Detection time (h)
EN-450P5/20 (double-balloon enteroscope)	118	2.01 ± 0.25
SIF-Q260 (single-balloon enteroscope)	165	1.36 ± 0.07
Overall	283	1.68 ± 0.16