Thyroid hormones and glycaemic indices in euthyroid, hyperthyroid, hypothyroid, all type 2 diabetics and non-diabetic subjects

Bulletin of the National Research Centre

Table 3 Correlation analysis between C-peptide and thyroid hormones in all type 2, euthyroid, hypothyroid and hyperthyroid type 2 diabetics and non-diabetic subjects

Subjects	All type 2 diabetics		Euthyroid diabetics		Hypothyroid diabetics		Hyperthyroid diabetics		Non-diabetic controls
n	170		80		50		40		110
Analysis	r	p	r	p	r	p	r	p	r	p
C-pep vs TSH	0.151	0.071	0.145	0.735	0.034	0.672	−0.072	0.444	0.024	0.808
C-pep vs FT4	0.221	0.013*	0.074	0.572	0.094	0.341	0.279	0.042*	0.034	0.672
C-pep vs T4	0.127	0.135	0.248	0.045*	0.119	0.226	0.156	0.150	0.094	0.341
C-pep vs T4	0.172	0.049*	0.231	0.020*	0.024	0.808	0.038	0.774	0.119	0.226

C-pep C-peptide, TSH thyroid-stimulating hormone, FT₄ free thyroxine, T₄ total thyroxine, T₃ total triiodothyronine, r correlation coefficient, p probability, n sample size
*Significant