Pepsinogen I and II expressions in situ and their correlations with serum pesignogen levels in gastric cancer and its precancerous disease

Table 4 Correlation between PGs expression in situ and in serum

	In situ PGI and serum PGI		In situ PGII and serum PGII		In situ PGI/II and serum PGI/II		In situ PGI and In situ PGII		Serum PGI and Serum PGII
	R	P value	R	P value	R	P value	R	P value	R	P value
Total	−0.017	0.815	−0.138	0.063	0.131	0.076	0.737	<0.001	0.687	<0.001
NOR	0.135	0.492	0.124	0.529	0.291	0.132	0.340	0.076	0.766	<0.001
GS	0.122	0.320	0.164	0.181	−0.046	0.707	0.527	<0.001	0.705	<0.001
GA	−0.131	0.356	−0.139	0.324	0.307	0.027	0.540	<0.001	0.613	<0.001
GC	/	/	0.091	0.639	/	/	/	/	0.730	<0.001

Note: All the correlation coefficients were calculated by partial correlation controlling for the status of sex and age. Analyses results with P < 0.05 were highlighted in bold characters.

ISSN: 1472-6890