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Table 2 Frequency of thyroid dysfunctions among cases and controls

From: The prevalence of thyroid dysfunction and autoimmune thyroid disease in patients with rheumatoid arthritis

Thyroid Dysfunctions

Controls

(n = 245)*

[n (%)]

Cases

(n = 248)*

[n (%)]

Unadjusted OR (95% CI)

P-value

Euthyroid

198 (80.82%)

164 (66.13%)

0.46 (0.30–0.70)

 > 0.001

Overt hypothyroidism

29 (11.83%)

58 (23.39%)

2.27 (1.39–3.69)

0.001

Subclinical hypothyroidism

16 (6.53%)

22 (8.87%)

1.39 (0.71–2.72)

0.399

Overt hyperthyroidism

1 (0.41%)

4 (1.61%)

4.00 (0.44–36.04)

0.372

Subclinical hyperthyroidism

1 (0.41%)

0 (0%)

0.99 (0.98–1.00)

0.497

  1. CI: confidence interval, OR: odds ratio. P-value < 0.05 was considered significant
  2. *Three were three and two patients with missing data in cases and controls, respectably