Table 3.

Results of Correlation Analysis between Explanatory Variables and the High-Risk Lesion Detection Rate

	Detection rate of HRL
	Total	HP-positive	HP-eradicated	HP-naïve
Sex	0.04798	0.5648	–0.06976	–0.1026
Experience of endoscopy	0.6371	–0.06509	0.5587	0.7273
Certified	–0.05964	0.08052	–0.05516	–0.1207
Use of sedative agents	0.02868	–0.1991	–0.1385	0.2746
Number of case (a day)	–0.5406	–0.4135	–0.4362	–0.4651
Observation time (HP-positive)	0.6586	0.05001	0.713	0.5014
Observation time (HP-eradicated)	0.816	0.3137	0.7827	0.5965
Observation time (HP-naïve)	0.7796	0.3476	0.7323	0.5561
Frequency of biopsy	–0.2999	–0.0918	–0.3101	–0.2971

The number indicates the r-value.

HP, Helicobacter pylori; HRL, high-risk lesion.