Table 1. Demographic characteristics of patients in the full cohort and propensity score-matched cohort

Values are presented as median (interquartile range) or number (%).

AI, artificial intelligence; BMI, body mass index; Mid, midazolam; Fen, fentanyl.

a)

Mann-Whitney U-test,

b)

chi-squared test,

c)

Fisher exact test.

*p-value is statistically significant.

Table 2. Summary of the per-patient analysis

Values are presented as number (%) or median (interquartile range).

AI, artificial intelligence; -, not applicable.

a)

Mann-Whitney U-test,

b)

chi-squared test.

Table 3. Clinicopathologic features of the resected lesions

Values are presented as number (%) or median (interquartile range).

AI, artificial intelligence; JNET, Japan NBI Expert Team.

a)

Chi-squared test,

b)

Fisher exact test,

c)

Mann-Whitney U-test.

*p-value is statistically significant.