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Table 1 Patients Characteristics - Hashimoto Thyroiditis Patients*

From: Hashimoto thyroiditis is more frequent than expected when diagnosed by cytology which uncovers a pre-clinical state

  Clinically hypothyroid Sub-clinically hypothyroid 1st P-value** Euthyroid 2nd P-value**
FNA patients 46 9   47  
Age (years) 47 ± 12 50 ± 17 0.53 46 ± 15 0.72
Gender      
   Male 2 (4%) 2 (22%) 0.15 4 (9%) 0.68
   Female 44 (96%) 7 (78%) 0.79 43 (92%) 1
Nodule      
   # of nodules 1.43 ± 0.54 1.77 ± 0.66 <0.05 1.58 ± 0.71 0.26
   Size 1.42 ± 0.42 1.55 ± 0.81 0.48 1.69 ± 0.74 <0.05
TSH(0.45-4.12 ng/dl) 8 ± 2.61 6.73 ± 1.26 0.16 2.18 ± 1.14 <0.05
FT4 1 ± 0.36 0.96 ± 0.11 0.74 0.92 ± 0.11 0.15
   Not Recorded 24 (52%) 5 (56%)   27 (57%)  
   Recorded 22 (48%) 4 (44%)   20 (43%)  
TPO antibodies      
   Not Recorded 30 6   34  
   Positive 13 1 0.62 7 0.56
   Negative 3 2 0.27 6 0.45
FHx of Hashimoto's/goiter/autoimmunity 18 (39%) 4 (44%) 1 10 (21%) 0.19
  1. * Values reported as mean ± SD.
  2. ** Fisher exact test and Student t-test. 1st P-value is between Clinically and Sub-clinically hypothyroid. 2nd P-value is between Clinically hypothyroid and Euthyroid. Statistically significant values are shown in italics.