Comparison of ratios of metabolites in fetuses and PNs
| Metabolite Ratio | Fetuses (n = 20 or 19a) | PNs (n = 20) | Unpaired t Test, P Value |
|---|---|---|---|
| TE = 30 ms | |||
| NAA/Cho | 0.73 ± 0.05 | 0.77 ± 0.03 | .3926 |
| NAA/Cr | 1.02 ± 0.06 | 0.98 ± 0.03 | .5588 |
| Cho/tCr | 1.39 ± 0.06 | 1.25 ± 0.03 | .0318 |
| mIns/tCr | 0.75 ± 0.06 | 0.76 ± 0.04 | .8682 |
| mIns/Cho | 0.55 ± 0.05 | 0.76 ± 0.04 | .0013 |
| mIns/NAA | 0.75 ± 0.06 | 0.77 ± 0.03 | .7542 |
| Glx/tCr | 2.67 ± 0.24 | 2.36 ± 0.13 | .2594 |
| Glx/Cho | 1.93 ± 0.16 | 1.90 ± 0.11 | .9145 |
| Glx/NAA | 2.80 ± 0.34 | 2.40 ± 0.14 | .2868 |
| TE = 135 ms | |||
| NAA/Cho | 0.59 ± 0.08 | 0.60 ± 0.03 | .8463 |
| NAA/Cr | 1.74 ± 0.32 | 1.64 ± 1.08 | .8352 |
| Cho/tCr | 3.06 ± 0.34 | 2.73 ± 0.12 | .4597 |
Note:—Data are mean ± SEM.
a n = 20 for a TE of 30 ms and 19 for TE of 135 ms.