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Table 1 Mean and median serum hCT concentrations for the different patient groups

From: Investigation of factors potentially influencing calcitonin levels in the screening and follow-up for medullary thyroid carcinoma: a cautionary note

Patient group

Number

Median

Mean

Standard deviation

Group 1: Hashimoto’s thyroiditis

122

4.120

5.368

5.0051

Group 2: nodular goitre and PPI therapy

73

6.060

6.341

3.9486

Group 3: nodular goitre without

PPI therapy

118

5.740

6.212

4.0923

Group 4: normal thyroid and PPI therapy

59

6.100

8.672

9.4468

Group 5: normal thyroid without PPI therapy

121

5.200

6.491

6.2806

Total

493

5.350

6.385

5.7845