From: The impact of thyroid function on surgical prognosis in patients undergoing cardiac and major vascular surgeries
Mean ± SD
t value
p value
TSH
Preoperative
2.61 ± 2.07
32.044
< 0.001
Postoperative
1.12 ± 1.53
FT3
3.81 ± 0.96
9.249
2.45 ± 0.66
FT4
13.04 ± 1.88
18.263
11.98 ± 2.57