Table 1.
Clinical characteristics and laboratory data of the four groups of women evaluated.
| Groups | ||||
|---|---|---|---|---|
| A1 (n = 91) | A2 (n = 35) | B1 (n = 38) | B2 (n = 31) | |
| Mean age (years) | 33 ± 10 | 29 ± 11 | 40 ± 11 | 40 ± 6 |
| Time from delivery (range, months) | — | — | 18–120 | 18–96 |
| BMI at OGTT | 29.8 ± 4.0 | 28.1 ± 4.7 | 27.2 ± 2.2 | — |
| BMI at follow-up | — | — | 24.1 ± 2.8 | 23.5 ± 3.7 |
| GAD65-Ab positivity [n (%)] | 3 (3.3) | 0 | 2 (5.3) | 0 |
| Mean FT4 (ng/dL) | 0.82 ± 0.13 | 0.83 ± 0.09 | 0.93 ± 0.21 | 0.92 ± 0.17 |
| Mean TSH (mIU/L) | 1.46 ± 1.02 | 1.90 ± 1.4 | 2.45 ± 4.32 | 1.44 ± 0.92 |
| TSH < 0.4 mIU/L [n (%)] | 8 (8.8) | 2 (5.7) | 5 (13.1) | 2 (6.5) |
| TSH > 4.2 mIU/L [n (%)] | 2 (2.2) | 2 (5.7) | 4 (10.5) | 1 (3.2) |
| Overall abnormal TSH [n (%)] | 10 (11.0) | 4 (11.4) | 9 (23.7)* | 3 (9.7) |
| Thyroid Ab positivity [n (%)] | 16 (17.6) | 5 (14.4) | 12 (31.6)* | 3 (9.7) |
| Abnormal TSH + thyroid Ab positivity [n (%)] | 3 (3.3) | 0 (−) | 7 (18.4)** | 1 (3.2) |
*P < 0.05 versus groups A1 and B2; **P < 0.05 versus groups B2 and P < 0.001 versus group A1. Where indicated, data are means ± SD.