Table III.

Serum concentrations of brain-derived neurotrophic factor (BDNF), leptin, and neuropeptide Y (NPY) in CF patients: overall and depending on age

Parameter	All, n = 56	Age ≥ 16 years, n = 39	Age < 16 years, n = 17	P-value
BDNF [ng/ml]	33.91 (26.40–40.43) 32.80 ±10.41	33.28 (23.25–40.43) 32.39 ±11.00	35.93 (36.65–40.43) 33.74 ±9.15	NS. 0.659
Leptin [ng/ml]	12.05 (8.93–17.77) 13.46 ±6.33	13.01 (10.07–18.97) 15.14 ±6.25	8.90 (6.78–12.01) 9.60 ±4.70	0.001
NPY [ng/ml]	2.86 (1.75–4.42) 3.70 ±2.99	2.72 (1.53–4.15) 2.96 ±1.71	3.69 (2.62–8.71) 5.41 ±4.40	0.034

The values were compared between the two subgroups. Medians (1^st–3^rd quartiles) and means ± SD are presented.