Early gastric cancer diagnostic ability of ultrathin endoscope loaded with laser light source

Table 2 Confirmation of propensity score matching results and balances

	Full cohort			Propensity score-matched cohort
	Conventional	Ultrathin	ASD, %	Conventional	Ultrathin	ASD, %
n	235	140		129	129
Age in yr	73.1 ± 7.6	73.2 ± 7.6	1.9	73.2 ± 7.6	73.4 ± 7.1	2.7
Male	187, 79.6	99, 70.7	20.6	98, 76.0	97, 75.2	1.8
Specialist	178, 75.7	99, 70.7	11.4	95, 73.6	92, 71.3	5.2
Atrophy	198, 84.3	108, 77.1	18.1	103, 79.8	107, 82.9	8.0

Data: mean ± SD or n, %. ASD: Absolute standardized difference.