Table 2.

Ghrelin levels of the three groups

	PWS	Controls	Obese	p between groups*	PWS versus controls*	PWS versus obese*	Obese versus controls*
	n = 138	n = 39	n = 50
Parameter	Median (IQR)	Median (IQR)	Median (IQR)
AG (pg/ml)	129.1 (67.1–227.9)	82.4 (56.3–130.4)	40.3 (26.4–82.5)	<0.001	0.016	<0.001	0.001
UAG (pg/ml)	135.3 (66.0–284.2)	157.3 (79.3–261.0)	35.8 (26.0–64.4)	<0.001	0.868	<0.001	<0.001
AG/UAG ratio	1.00 (0.57–1.49)	0.61 (0.37–0.81)	1.16 (0.92–1.43)	<0.001	0.001	0.069	<0.001

Bold values are statistically significant (p < 0.05)

* p value between the groups