Table 2 Serum concentration of thyroid hormones before and after cardiac surgery
Variable | Control group (n = 64) | Prolonged MV group (n = 54) | P value |
|---|---|---|---|
Pre-operation | |||
TT3, noml/L | 1.28 (1.02, 1.54) | 1.03 (0.86, 1.17) | 0.005 |
TT4, nmol/L | 98.79 (87.33, 111.19) | 93.93 (79.34, 106.36) | 0.153 |
FT3, pmol/L | 3.87 (3.26, 4.34) | 3.52 (3.11, 3.77) | 0.038 |
FT4, pmol/L | 13.4 (11.7, 15.2) | 12.72 (11.02, 13.68) | 0.098 |
TSH, mIU/L | 2.20 (1.50, 3.75) | 1.68 (0.68, 3.81) | 0.601 |
Post-operation | |||
TT3, nmol/L | 0.66 (0.61, 0.76) | 0.61 (0.54, 0.76) | 0.239 |
TT4, nmol/L | 74.38 (54.87, 89.50) | 70.33 (50.46, 81.21) | 0.298 |
FT3, pmol/L | 2.40 (2.30, 2.75) | 2.30 (1.64, 2.56) | 0.030 |
FT4, pmol/L | 12.86 (10.93, 13.96) | 11.16 (8.66, 13.02) | 0.141 |
TSH, mIU/L | 1.23 (0.09, 2.46) | 0.82 (0.18, 2.43) | 0.582 |