From: Low vitamin D levels are associated with cognitive impairment in patients with Hashimoto thyroiditis
Characteristics | Patients with MCI | Patients without MCI | P |
---|---|---|---|
Number of patients | 55 | 139 | |
Age (years), mean ± (SD) | 46.7 ± 9.0 | 50.5 ± 9.9 | 0.014 |
Sex (female/male) | 13/42 | 23/116 | 0.252 |
Educaton (years), median (IQR) | 13 (8–17) | 11 (8–14) | 0.074 |
BMI (kg/m2), mean ± (SD) | 23.6 ± 3.1 | 24.5 ± 3.2 | 0.092 |
TSH (IU/mL), mean ± (SD) | 2.3 ± 0.8 | 2.1 ± 0.9 | 0.336 |
FT3 (pmol/L), mean ± (SD) | 4.7 ± 1.0 | 4.8 ± 1.1 | 0.541 |
FT4 (pmol/L), mean ± (SD) | 17.9 ± 3.9 | 18.2 ± 4.6 | 0.710 |
TPOAbs (IU/mL), median (IQR) | 210.1 (105.0–280.8) | 175.4 (100.6–280.6) | 0.244 |
TgAbs (IU/mL), median (IQR) | 221.2 (201.5–282.3) | 213.5 (190.3–248.5) | 0.135 |
25(OH)D (nmol/L), mean ± (SD) | 33.9 ± 6.2 | 44.3 ± 9.6 | < 0.001 |
25(OH)D, No. (%) | < 0.001 | ||
Quartile 1 (30.8 nmol/L)a | 29 (52.7) | 20 (14.4) | < 0.001 |
Quartile 2 (36.6 nmol/L)a | 14 (25.5) | 31 (23.3) | 0.639 |
Quartile 3 (43.7 nmol/L)a | 10 (18.2) | 40 (28.8) | 0.128 |
Quartile 4 (53.1 nmol/L)a | 2 (3.6) | 48 (34.5) | < 0.001 |