Table 3.
The differences in adverse pregnancy outcomes between pregnant women with positive TPOAb and those with negative TPOAb. .
| Adverse pregnancy outcomes, N (%) | Total (n = 7046) |
TPOAb-negative (n = 6700) |
TPOAb-positive (n = 346) |
P |
|---|---|---|---|---|
| LBW infants | 0.035 | |||
| No | 6909 (98.1) | 6575 (98.1) | 334 (96.5) | |
| Yes | 137 (1.9) | 125 (1.9) | 12 (3.5) | |
| premature rupture of membranes | 0.540 | |||
| No | 6691 (95.0) | 6360 (94.9) | 331 (95.7) | |
| Yes | 355 (5.0) | 340 (5.1) | 15 (4.3) | |
| premature delivery | 0.878 | |||
| No | 6791 (96.4) | 6457 (96.4) | 334 (96.5) | |
| Yes | 255 (3.6) | 243 (3.6) | 12 (3.5) | |
| fetal distress | 0.217 | |||
| No | 6775 (96.2) | 6438 (96.1) | 337(97.4) | |
| Yes | 271 (3.8) | 262 (3.9) | 9 (2.6) | |
| low Apgar score at 1 minute after birth | 0.079 | |||
| No | 6999 (99.3) | 6658 (99.4) | 341 (98.6) | |
| Yes | 747 (0.7) | 42 (0.6) | 5 (1.4) |
TPOAb, anti-thyroid peroxidase antibodies; LBW, low birth weight.