Research Article

Salivary Hormones Leptin, Ghrelin, Glucagon, and Glucagon-Like Peptide 1 and Their Relation to Sweet Taste Perception in Diabetic Patients

Table 2

Spearman correlations coefficients () between salivary leptin, ghrelin, glucagon, and GLP-1 concentrations and HbA1c concentrations, sweet taste thresholds, and sweet taste preferences in all three groups.

Salivary hormoneHbA1cSweet taste thresholdSweet taste preference

Leptin
 Control0.063610.05120-0.02597
 Controlled DM-0.08021-0.3504-0.3445
 Uncontrolled DM0.097040.01583-0.3377
 Leptin in all groups0.3620-0.09466-0.07626
Ghrelin
 Control-0.051150.09236-0.05674
 Controlled DM0.04879-0.2690-0.2445
 Uncontrolled DM0.052280.07383-0.2499
 Ghrelin in all groups-0.1686-0.0069950.01981
Glucagon
 Control-0.063950.16680.1165
 Controlled DM-0.01762-0.1791-0.4393
 Uncontrolled DM0.1439-0.1061-0.4068
 Glucagon in all groups0.03269-0.064990.1182
Glucagon-like peptide 1
 Control-0.0076430.08940-0.009461
 Controlled DM0.1275-0.10690.03959
 Uncontrolled DM0.1255-0.05740-0.08888
 Glucagon-like peptide 1 in all groups-0.1077-0.045250.03625

. . . DM: diabetes mellitus; HbA1c: glycated haemoglobin.