Studied Parameter Normal weight healthy women Overweight healthy women Obese healthy women
Irisin (ng/ml) 36.79 ± 11.64
(n=21)
45.23 ± 5.03▲▲
(n=12)
48.78 ± 7.41▲, NS
(n=20)
Insulin (µIU/ml) 23.75 ±19.84
(n=10)
  19.84 ± 0.99▲
(n=14)
Leptin (ng/ml) 15.48 ± 4.27
(n=10)
  30.69 ± 5.3●
(n=14)
ANOVA and t-test revealed ▲ significant difference between the obese and normal weight women groups (P=0.0001), ▲▲ significant difference between overweight and normal weight women groups (P=0.01), ● significant difference between obese and normal weight women groups (P=0.001), NS: No significant difference between obese and overweight women groups.
Table 2: Serum Irisin level in healthy studied women groups depending on their BMI (± SD).