Table 1.
Clinical characteristics in subjects with low and higher normal TSH levels
| Variables | All subjects | Subjects with |
T-test | P value (2-tailed) | |
|---|---|---|---|---|---|
| Low normal TSH levels (0.4–2.49 mI/ml) |
Higher normal* TSH levels (2.5–4.5 mI/ml) |
||||
| No (M/F) | 120 (62/58) | 62 (35/27) | 58 (27/31) | N/A | N/S |
| Age | 60.6 ± 11.6 | 59.8 ± 11.6 | 61.2 ± 11.6 | 0.577 | N/S (0.565) |
| BMI | 25.3 ± 3.1 | 24.1 ± 2.7 | 26.7 ± 3 | 4.957 | <0.001 |
| SBP | 124.8 ± 15.8 | 120.3 ± 13.9 | 129.4 ± 16.5 | 3.252 | <0.01 |
| DBP | 75.7 ± 11 | 73 ± 10.2 | 78.6 ± 11.3 | 2.797 | <0.01 |
| TG | 137.8 ± 84.4 n/p | 117.6 ± 75.4 | 159.4 ± 88.5 | 2.788 | <0.01 |
| HDL-C | 52.3 ± 16.3 n/p | 54 ± 17.2 | 50.3 ± 15.3 | −1.292 | N/S (0.199) |
| LDL-C | 97.6 ± 31.8 | 95.3 ± 32.1 | 99.4 ± 31.5 | 0.600 | N/S (0.550) |
| FPG | 137.7 ± 39.4 n/p | 134.1 ± 39.8 | 141.6 ± 38.7 | 1.052 | N/S (0.295) |
| HBA1C | 7 ± 1.3 n/p | 6.6 ± 1 | 7.5 ± 1.3 | 3.827 | <0.001 |
| eGFR | 77.7 ± 20.8 | 82 ± 19.8 | 73 ± 21.2 | −2.424 | N/S (>0.05) |
*P value <0.05.