Table 3 Comparison of thyroid function in breast cancer patients between two consecutive prechemotherapies (mean ± SD)

T₃ (ng/ml)

1.14±0.23

1.18±0.25

0.083

T₄ (μg/dl)

7.11±1.20

7.07±1.19

0.553

FT₃ (pg/ml)

2.84±0.37

2.90±0.67

0.188

FT₄ (ng/dl)

0.85±0.14

1.27±6.66

0.736

TSH (μIU/ml)

3.11±3.35

2.76±2.30

0.064

Age (y)

49.5

Clinicopathological features

Number

Tumor size

T0 (impalpable)

7

T1 (≤2 cm)

90

T2 (>2 cm, ≤5 cm)

113

T3 (>5 cm)

16

Unknown

2

Tumor grade

I

14

II

192

III

13

Unknown

9

Clinical stage

0

6

I

72

II

130

III

12

IV

6

Unknown

2

Chemotherapy regimens

TEC

202

CEF

12

NP

10

Unknown

4