Table 2.
Fluorescence |
||||
No (n = 6) | Yes (n = 7) | Total (n = 13) | P value | |
Sex | ||||
F | 2 | 2 | 4 | |
M | 4 | 5 | 9 | 1.00 |
Age (yr) | ||||
mean ± SD | 65.0 ± 2.0 | 67.1 ± 1.9 | 66.2 ± 4.9 | 0.45 |
Tumor color | ||||
Reddish | 4 | 6 | 10 | 0.56 |
Discolored | 2 | 1 | 3 | |
Tumor size (mm) | ||||
mean ± SD | 14.2 ± 2.3 | 15.0 ± 2.1 | 14.6 ± 5.4 | 0.80 |
Macroscopic type | ||||
Protruded | 3 | 7 | 10 | 0.07 |
Depressed | 3 | 0 | 3 | |
Tumor differentiation | ||||
Differentiated | 5 | 7 | 12 | 0.46 |
Undifferentiated | 1 | 0 | 1 | |
Tumor depth | ||||
m | 4 | 5 | 9 | 1.00 |
sm | 2 | 1 | 3 | |
Lymphatic invasion | ||||
Absent | 5 | 5 | 10 | |
Present | 1 | 1 | 2 | 1.00 |
Venous invasion | ||||
Absent | 5 | 6 | 11 | 1.00 |
Present | 1 | 0 | 1 | |
Procedure time (min) | ||||
mean ± SD | 36.7 ± 9.0 | 36.3 ± 8.3 | 36.5 ± 21.1 | 0.98 |
Differentiated: Adenoma, tub1, tub2, and pap; Undifferentiated: sig; m: Mucosal layer; sm: Submucosal layer; tub1: Well-differentiated adenocarcinoma; tub2: Moderate differentiated adenocarcinoma; pap: Papillary adenocarcinoma; sig: Signet cell adenocarcinoma.