Obesity is associated with subclinical hypothyroidism in the presence of thyroid autoantibodies: a cross-sectional study

Table 3 Serum TSH concentration in subjects with or without thyroid autoantibodies

TSH	TPO-Ab	Tg-Ab	TPO-Ab and Tg-Ab	TPO-Ab and/or Tg-Ab
Ab(+)	2.10 (1.33,3.37)	2.07 (1.33,3.31)	2.44 (1.49,4.07)^a	1.98 (1.25,3.14)^b
Ab(−)	1.81 (1.24,2.58)	1.81 (1.24,2.58)	1.81 (1.24,2.58)	1.81 (1.25,2.58)
P	< 0.001	< 0.001	< 0.001	0.008

^aboth TPO-Ab and Tg-Ab positive; ^beither TPO-Ab or Tg-Ab positive
Serum TSH level was expressed as medians with interquartile ranges
Mann–Whitney U test was adopted for serum TSH level. P < 0.05 was considered significant
TPO-Ab Thyroid peroxidase antibody, Tg-Ab Thyroglobulin antibody, TSH Thyroid stimulating hormone, Ab Antibody

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