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Table 4 Rate of worse in visibility of early gastric cancer with BLI-BRT according to the characteristics of early gastric cancer in experts’ evaluation of the images

From: Evaluation of the visibility of early gastric cancer using linked color imaging and blue laser imaging

Factors Rate of worse in visibility with BLI-BRT
Infection with Hp
 Positive 11% (7/65)
 Negative 0% (0/0)
 Eradicated 24% (4/17)
Tumor size, mm
  < 20 16% (9/57)
  ≥ 20 8% (2/25)
Location of tumor
 Upper 16% (4/25)
 Middle 13% (4/31)
 Lower 12% (3/26)
Color
 Red 8% (3/40)
 Isochromatic 23% (5/22)
 White 15% (3/20)
Macroscopic type
 0-IIa 8% (2/26)
 0-IIc 16% (9/56)
Histological type
 Differentiated 11% (8/72)
 Undifferentiated 30% (3/10)
Depth
 Mucosa 14% (10/74)
 Submucosa 13% (1/8)
  1. LCI linked color imaging, BLI-BRT blue laser imaging bright mode, Hp, Helicobacter pylori