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Table 1 Diagnostic yield of H. pylori infection status on endoscopy

From: Accuracy of endoscopic diagnosis of Helicobacter pyloriinfection according to level of endoscopic experience and the effect of training

 

H. pylori-uninfected

H. pylori-infected

H. pylori-eradicated

All physicians* (n = 6)

88.9% (82.3–93.6%)

62.1% (55.3–68.7%)

55.8% (46.1–65.1%)

Individual physicians**

   

Beginner 1

82.6% (61.2–95.0%)

55.3% (38.3–71.4%)

37.5% (15.2–64.6%)

Beginner 2

90.9% (70.8–98.9%)

54.8% (36.0–72.7%)

50.0% (29.1–70.9%)

Intermediate 1

91.3% (72.0–98.9%)

67.6% (49.5–82.6%)

65.0% (40.8–84.6%)

Intermediate 2

82.6% (61.2–95.0%)

66.7% (49.0–81.4%)

66.7% (49.0–81.4%)

Advanced 1

90.5% (69.6–98.8%)

63.9% (46.2–79.2%)

50.0% (27.2–72.8%)

Advanced 2

95.7% (78.1–99.9%)

64.1% (47.2–78.8%)

80.0% (51.9–95.7%)

  1. *Analyzed cases: n = 462. **Analyzed cases: n = 77. 95% confidence interval values are given in parentheses.
  2. Abbreviation: H. pylori, Helicobacter pylori.