Table 4. Association of circulating irisin with demographic parameters and BMI levels in diabetic subjects .

	Mean (ng/dL)	SD	P value
Sex			0.58
Female	2.82	0.16
Male	3.18	0.35
Age			0.52
≤45	2.42	0.83
>45	2.97	1.64
BMI (kg/m2)			0.05a
≤ 18.5	6.23	4.2
18.5-24.9	3.22	1.45
25-24.9	3.03	1.52
>30	2.49	0.96
Types of drug			0.48
Insulin	2.95	1.58
OHA	2.8	1.87

Abbreviations: BMI, body mass index; OHA, oral hypoglycemic agents.

^a P < 0.5 is significant.