Comparison of metabolite ratios between obstructive sleep apnoea (OSA) patients and controls
| OSA patients | Controls | p-value | |
| Subjects n | 22 | 10 | |
| PWM | |||
| mI/Cr | 0.68±0.09 | 0.69±0.05 | 0.92 |
| NAA/Cho | 1.75±0.32 | 1.62±0.28 | 0.29 |
| NAA/Cr | 1.81±0.18 | 1.74±0.16 | 0.34 |
| Cho/Cr | 1.07±0.19 | 1.09±0.12 | 0.44 |
| FWM | |||
| mI/Cr | 0.66±0.10 | 0.73±0.15 | 0.14 |
| NAA/Cho | 1.60±0.29 | 1.49±0.25 | 0.35 |
| NAA/Cr | 1.59±0.16 | 1.74±0.15 | 0.012 |
| Cho/Cr | 1.01±0.15 | 1.19±0.17 | 0.008 |
| PFC | |||
| mI/Cr | 0.64±0.08 | 0.62±0.09 | 0.49 |
| NAA/Cho | 2.18±0.35 | 2.07±0.36 | 0.36 |
| NAA/Cr | 1.56±0.12 | 1.58±0.15 | 0.54 |
| Cho/Cr | 0.74±0.13 | 0.78±0.13 | 0.45 |
Data are presented as mean±sd. PWM: parieto-occipital white matter; FWM: frontal white matter; PFC: prefrontal cortex; mI: myo-inositol; NAA: N-acetylaspartate; Cr: creatine; Cho: choline.