Effects of different pepsinogen cut offs in the screening of apparently healthy people.

The Z values for gender(age) of PG I, PG II and PG I/PG II were 4.059(5.140), 2.100(5.120) and 1.736(1.417), respectively. Besides, (C) is the comparison of PG I/PG II between male and female, and (D) is the comparison of PG I between <40 years old and >=40 years old, and (E) is the comparison of PG II between <40 years old and >=40 years old. The results are as follows: PG I was 23.55-150.59 g/L for individuals below 40 years old and 24.83-174.35 g/L for individuals 40 years old and above; PG II was below 18.70 g/L for individuals below 40 years old and 23.80 g/L for individuals 40 years old and above; and PG I/PG II was above 3.1. [Extracted from the article]