Table 4. Correlation between serum leptin levels, TNFα, IL1 and other parameters in studied groups.

Parameters	Serum Leptin					TNFα					IL1
	Patient group		Control group			Patient group		Control group			Patient group		Control group
	r	P	r	P		r	P	r	P		r	P	r	P
Age	-0.03	0.92	-0.02	0.94		0.18	0.47	0.07	0.83		0.19	0.43	0.06	0.81
BMI	0.31	0.10	0.06	0.81		-0.27	0.35	0.03	0.68		0.23	0.10	0.07	0.72
SI	0.56*	0.05*	0.44	0.09		0.54*	0.05*	0.22	0.43		0.25	0.41	0.28	0.45
SL	1.000	0.00	1.000	0.00		0.57*	0.05*	0.007	0.97		0.62*	0.01**	0.02	0.94
TNFα	0.57*	0.05*	0.007	0.97		1.000	0.00	1.000	0.00		-0.21	0.45	-0.18	0.50
IL1	0.62*	0.01**	0.02	0.94		-0.21	0.45	-0.18	0.50		1.000	0.00	1.000	0.00

BMI: body mass index; TNFα: tumor necrosis factor alpha; IL1: interleukin 1; SI: serum insulin; SL: serum leptin. *P<0.05; **: high significance.