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Table 4 Correlation between PGs expression in situ and in serum

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

  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
  1. 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.