Table II.

Changes in serum levels of fasting glucose, ghrelin, leptin and adiponectin 6 and 12 months after the surgery (n = 37; 29 women and 8 men)

Parameter	Pre-operative examination	6 months post-operative	12 months post-operative
Glucose [mmol/l]	5.7 ±1.0	5.3 ±0.7NS	5.1 ±0.8b
Ghrelin [ng/l]	127.5 ±96.9	62.6 ±60.9a	87.5 ±59.1c
Leptin [µg/l]	43.6 ±11.9	24.9 ±16.7a	24.3 ±13.3a
Adiponectin [mg/l]	14.5 ±6.8	16.9 ±9.1NS	24.8 ±12.0a

^aComparison with pre-operative examination p < 0.001

^bComparison with pre-operative examination p < 0.01

^cComparison with pre-operative examination p < 0.05

^NSComparison with pre-operative examination p > 0.05