. 2019 Mar 19;8(4):435–441. doi: 10.1530/EC-19-0088
This work is licensed under a Table 1.
Basic characteristic of the population between euthyroid and IMH&.
| Basic characteristic | Euthyroid (n = 7831) | IMH (n = 342) | P value |
|---|---|---|---|
| Maternal age at pregnancy | 29.76 ± 3.75 | 30.59 ± 3.83 | 0.5958 |
| Gestational age (days) | 275.41 ± 9.41 | 274.47 ± 10.41 | 0.0074 |
| Menarche age (years) | 13.81 ± 1.52 | 13.78 ± 1.45 | 0.2629 |
| BMI | |||
| <18.5 | 1162 (24.46) | 43 (18.45) | |
| 18.5–23.9 | 3047 (64.13) | 146 (62.66) | |
| ≥24 | 542 (11.41) | 44 (18.88) | 0.0009 |
| Health insurance | |||
| Yes | 5803 (74.10) | 237 (69.30) | |
| No | 2028 (25.90) | 105 (30.70) | 0.0477 |
| Newborn sex | |||
| Boy | 4052 (51.74) | 178 (52.05) | |
| Girl | 3779 (48.26) | 164 (47.95) | 0.9124 |
| Family history of chronic diseases | |||
| Yes | 2311 (29.51) | 105 (30.70) | |
| No | 5520 (70.94) | 237 (69.30) | 0.6378 |
| Gravidity | |||
| 1 | 4410 (56.33) | 168 (49.12) | |
| 2 | 2039 (26.04) | 88 (25.73) | |
| ≥3 | 1380 (17.63) | 86 (25.15) | 0.0012 |
| Parity | |||
| Primipara | 6258 (79.91) | 248 (72.73) | |
| Multipara | 1573 (20.09) | 93 (27.27) | 0.0013 |
| TSH* | 1.39 (0.89–2.02) | 1.52 (1.06–2.13) | 0.0004 |
| fT4* | 1.17 (1.09–1.26) | 0.93 (0.90–0.94) | <0.0001 |
&isolated maternal hypothyroxinemia; *median (Q25–Q75).