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Table 3 Rate of improvement in visibility of early gastric cancer with LCI and 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 improvement in visibility
LCI BLI-BRT
Infection with Hp
 Positive 74% (48/65) 18% (12/65)
 Negative 0% (0/0) 0% (0/0)
 Eradicated 71% (12/17) 24% (4/17)
Tumor size, mm
  < 20 70% (40/57) 18% (10/57)
  ≥ 20 80% (20/25) 24% (6/25)
Location of tumor
 Upper 76% (19/25) 12% (3/25)
 Middle 74% (23/31) 23% (7/31)
 Lower 69% (18/26) 23% (6/26)
Color
 Red 85% (34/40)a 28% (11/40)
 Isochromatic 45% (10/22)b 18% (4/22)
 White 80% (16/20)c 5% (1/20)
Macroscopic type
 0-IIa 69% (18/26) 19% (5/26)
 0-IIc 75% (42/56) 20% (11/56)
Histological type
 Differentiated 71% (51/72) 19% (14/72)
 Undifferentiated 90% (9/10) 20% (2/10)
Depth
 Mucosa 74% (55/74) 22% (16/74)
 Submucosa 63% (5/8) 0% (0/8)
  1. LCI linked color imaging, BLI blue laser imaging bright mode, Hp Helicobacter pylori
  2. a vs b, b vs c: p < 0.05