Table 3.

Serum thyroid hormones (TSH, FT3 and FT4) in studied groups

Groups Parameters	Group I (N:10)	Group II (N:10)	Group III (N:10)	Group IV (N:10)
TSH (uUL/ml) Mean ± SD P P*	1.10 ± 0.40 --- ---	1.49 ± 0.40 < 0.05 ---	3.90 ± 0.29 < 0.001 < 0.001	4.06 ± 0.23 < 0.001 < 0.001
FT3 (pmol/l) Mean ± SD P P*	5.05 ± 0.60 --- ---	4.89 ± 0.70 N.S ---	5.29 ± 0.70 N.S N.S	5.09 ± 0.60 N.S N.S
FT4 (ng/dl) Mean ± SD P P*	14.22 ± 1.5 --- ---	17.21 ± 3.2 < 0.01 ---	14.27 ± 3.6 N.S < 0.01	14.06 ± 2.5 N.S < 0.01

P value: diabetic, obese and obese diabetic versus control group

P*: obese and obese diabetic versus diabetic group

N.S: Non Significant, P < 0.05: Significant, P< 0.01: Highly significant, P< 0.001: Very highly significant