Comparison of a portable disposable large-channel gastroscope and a conventional reusable gastroscope in gastric endoscopic submucosal dissection

Table 1 Assessment of gastroscopy performance and endoscopic image quality, mean ± SD

	Experimental group (n = 10)1	Control group (n = 10)2	P value
Duration of gastroscopy	287.33 ± 38.15	284.78 ± 70.75	0.673
Image integrity scores	30.80 ± 0.42	30.90 ± 0.32	0.739
Image sharpness scores	30.50 ± 0.71	30.80 ± 0.42	0.436
Image contrast scores	30.10 ± 1.20	30.80 ± 0.42	0.218
Image brightness scores	29.67 ± 1.23	30.67 ± 0.50	0.203

¹Portable disposable large-channel gastroscope.

²Conventional reusable gastroscopes.