Premedication with pronase or N-acetylcysteine improves visibility during gastroendoscopy: An endoscopist-blinded, prospective, randomized study

Table 2 Mucosal visibility scores at different locations of the stomach (mean ± SD)

	Antrum	Greater curvatureof the lowergastric body	Greater curvatureof the uppergastric body	Fundus
Group A	1.74 ± 0.91eg	2.18 ± 1.14eg	2.92 ± 1.06ceg	1.38 ± 0.67ceg
Group B	1.49 ± 0.82eg	1.89 ± 0.87eg	2.49 ± 0.82ae	1.80 ± 0.80ae
Group C	1.18 ± 0.63ac	1.38 ± 0.78ac	2.06 ± 0.89ac	1.21 ± 0.41ac
Group D	1.21 ± 0.52ac	1.77 ± 0.90ac	2.33 ± 0.79a	1.28 ± 0.67ac
Total	1.41 ± 0.77	1.82 ± 0.95	2.46 ± 0.94	1.41 ± 0.69

There were significant differences in mucosal visibility scores in the upper gastric body when compared to the antrum, lower gastric body, and fundus.

^aP < 0.05 vs group A;

^cP < 0.05 vs group B;

^eP < 0.05 vs group C;

^gP < 0.05 vs group D. (a, c, e, g: one-way analysis of variance and Tukey’s multiple comparison).