Table 2.

Plasma concentrations of various peptides with respect to H pylori (mean±SD).

Peptide	H pylori positive (n = 42)	H pylori negative (n = 47)	P
Ghrelin (fmol/mL)	194.2±90.2	250.4±84.1	<0.05
Gastrin (pg/mL)	133.5±309.1	66.7±130.2	<0.005
Somatostatin (pg/mL)	11.3±5.7	9.7±6.2	Not significant
Leptin (ng/mL)	5.2±3.9	4.6±2.9	Not significant
Insulin-like growth factor 1 (ng/mL)	176.1±71.6	204.3±61.9	Not significant
Chromogranin A (ng/mL)	21.4±29.0	13.8±7.2	Not significant

Student’s t-test was employed in statistical analyses.