Characteristic | TPOAb-positive women with SCH (64 cases) | TPOAb-negative women with SCH (68 cases) | P value |
---|---|---|---|
General information | |||
 Han ethnicity, n (%) | 59 (92.2) | 62 (91.2) | 0.834 |
 Education background (postgraduate and above), n (%) | 15 (23.4) | 17 (25.0) | 0.996 |
 Education background (undergraduate), n (%) | 35 (54.7) | 35 (51.5) | |
 Education background (college and below), n (%) | 14 (21.9) | 16 (23.5) | |
 Family income (over 4 × 105yuan/year), n (%) | 20 (31.3) | 17 (25.0) | 0.736 |
 Family income (105to 4 × 105yuan/year), n (%) | 36 (56.2) | 45 (66.2) | |
 Family income (less than 105 yuan/year), n (%) | 8 (12.5) | 6 (8.8) | |
 First pregnancy, n (%) | 36 (56.3) | 38 (55.9) | 0.966 |
 Thyroid disease history, n (%) | 24 (37.5) | 10 (14.7) | 0.003 |
 Natural pregnancy, n (%) | 62 (96.9) | 64 (94.1) | 0.681 |
 Smoking, n (%) | 4 (6.3) | 4 (5.9) | 1.000 |
 Drinking, n (%) | 4 (6.3) | 2 (2.9) | 0.430 |
Indicator in the first trimester | |||
 Sickness, n (%) | 21 (32.8) | 32 (47.1) | 0.095 |
 Animals exposure, n (%) | 8 (12.5) | 13 (19.1) | 0.299 |
 Age (year), median (IQR) | 33 (30–36) | 33 (31–34) | 0.913 |
 BMI (kg/m2), median (IQR) | 21.8 (20.2–24.6) | 22.0 (19.9–25.2) | 0.956 |
 SBP (mmHg), mean ± SD | 112 ± 11 | 110 ± 10 | 0.171 |
 DBP (mmHg), median (IQR) | 66 (58–74) | 65 (57–70) | 0.440 |
 ALT(U/L), median (IQR) | 12.35 (9.73–21.50) | 12.25 (10.03–18.15) | 0.816 |
 AST(U/L), median (IQR) | 14.45 (13.05–17.15) | 15.40 (13.35–16.98) | 0.347 |
 ALB(g/L), median (IQR) | 43.80 (42.33–45.78) | 43.85 (42.30–45.00) | 0.437 |
 GLU (mmol/L), median (IQR) | 4.64 (4.51–4.92) | 4.67 (4.44–4.85) | 0.537 |
 BUN (mmol/L), median (IQR) | 2.97 (2.67–3.53) | 3.05 (2.56–3.39) | 0.375 |
 UA (μmol/L), median (IQR) | 216.65 (187.25–257.63) | 216.55 (187.53–254.28) | 0.975 |
 CRE (μmol/L), mean ± SD | 49.43 ± 6.64 | 48.53 ± 5.79 | 0.403 |
 TC (mmol/L), median (IQR) | 4.34 (3.85–4.86) | 3.98 (3.63–4.40) | 0.009 |
 TG (mmol/L), median (IQR) | 0.94 (0.67–1.40) | 1.04 (0.74–1.49) | 0.631 |
 HDL-C (mmol/L), median (IQR) | 1.52 (1.33–1.75) | 1.39 (1.23–1.57) | 0.037 |
 LDL-C (mmol/L), median (IQR) | 2.38 (1.93–2.86) | 2.08 (1.82–2.48) | 0.036 |
 HGB(g/L), median (IQR) | 130 (120–138) | 131 (123–136) | 0.913 |