Table 2.
Maternal plasma TMAO concentration during pregnancy among overall subjects(N = 264)*
| Characteristic | T2 plasma TMAO (μg/m3) | TD plasma TMAO (μg/m3) | Change of TMAO (μg/m3) |
|---|---|---|---|
| Mean ± SD | 90.39 ± 45.91 | 175.01 ± 160.97 | 84.62 ± 159.32 |
| Median | 84.80 | 138.60 | 54.13 |
| Minimum | 4.15 | 21.0 | − 146.02 |
| Maximum | 305.00 | 1560.00 | 1255.00 |
| First Quartile | 57.58 | 86.30 | 0.00 |
| Third Quartile | 116.36 | 207.04 | 123.04 |
| Spearman Correlation with T2 plasma TMAO | 1.00 | 0.09* | −0.37ǂ |
| Spearman Correlation with TD plasma TMAO | 0.09 | 1.00 | 0.87ǂ |
*p = 0.157; ǂ p < 0.001
Abbreviation: TMAO trimethylamine-N-oxide; T2 the second trimester; TD the time of delivery