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Table 4 Comparison of the diagnostic performance for gastric cancer based on different values of PG I level and PG I/II ratio

From: The value of serum pepsinogen levels for the diagnosis of gastric diseases in Chinese Han people in midsouth China

  Sensitivity (%) Specificity (%)
PGI ≤ 70 and PGI/PGII ≤ 4 40.2 98.5
PGI ≤ 70 and PGI/PGII ≤ 5 54.8 96.4
PGI ≤ 70 and PGI/PGII ≤ 6 62.1 94.2
PGI ≤ 70 or PGI/PGII ≤ 4 68.3 77.1
PGI ≤ 70 or PGI/PGII ≤ 5 73.1 69.2
PGI ≤ 70 or PGI/PGII ≤ 6 81.7 64.2