Clinical Study

Pepsinogen II Can Be a Potential Surrogate Marker of Morphological Changes in Corpus before and after H. pylori Eradication

Table 3

Concentrations of pepsinogen I, pepsinogen II, and pepsinogen I to II ratio by histological categories1 in antrum and corpus in first-degree relatives of patients with gastric adenocarcinoma after successful H. pylori eradication ( ).

Pepsinogen I ( g/mL)Pepsinogen II ( g/mL)Pepsinogen ratio
MedianIQR2MedianIQRMedianIQR

AntrumNeutrophil cell infiltrationHigh 32.513.52.4
Low 77.359.0–103.57.15.3–9.511.3 7.9–14.9
Mononuclear
cell infiltration
High 66.552.3–106.86.85.2–9.912.26.1–15.3
Low 80.059.4–103.57.25.3–9.710.7 8.0–14.9
AtrophyHigh 82.863.1–119.56.55.0–8.413.210.8–16.5
Low 77.157.6–103.07.25.4–9.710.7 7.9–14.5
Intestinal metaplasiaHigh 66.458.5–91.35.44.9–10.313.110.6–14.4
Low 77.558.2–104.07.35.5–9.710.77.8–15.7

CorpusNeutrophil
cell infiltration
High
Low 77.158.7–103.17.15.3–9.611.2 7.9–14.8
Mononuclear
cell infiltration
High 54.0*35.6–94.89.45.8–11.67.9**3.8–12.6
Low 8060.5–104.46.95.1–9.011.6 8.4–15.6
AtrophyHigh 68.340.6–125.110.1*7.5–11.68.14.5–16.5
Low 80.059.46.95.1–9.011.3 8.2–14.6
Intestinal metaplasiaHigh 38.1**25.8–93.57.84.7–12.84.1*2.5–15.0
Low 78.459.6–103.17.15.3–9.411.38.2–14.7

Low score: normal or mild changes; high score: moderate or marked changes.
2IQR: interquartile range expressed as percentile 25–75.
* & ** when pepsinogen concentrations (or pepsinogen ratio) were compared in groups of high and low histology scores (Mann-Whitney test).