Table 1.

Difference in serum biomarkers between the control group and study group.

Parameter	Control Group	Study Group
Age (years)	65.16 ± 2.8	68.32 ± 7.34
BMI	34.90 ± 1.18	38.32 ± 1.86
Melatonin (pmol/L)	51.79 ± 7.52	61.41 ± 8.86 **
Ghrelin (pmol/L)	302.23 ± 18.85	269.56 ± 37.23 **
GABA (µmol/L)	0.51 ± 0.11	0.29 ± 0.13 ***
Dopamine (pmol/L)	190.37 ± 17.82	108.81 ± 19.19 ***
Serotonin (pmol/L)	0.52 ± 0.15	0.37 ± 0.13 ***
Epinephrine (pmol/L)	245.93 ± 21.70	302.85 ± 10.48 ***

All values are the mean ± SD, ** p < 0.01, *** p < 0.001 compared to study group.