Comparison of absolute metabolite concentrations between obstructive sleep apnoea (OSA) patients and controls
| OSA patients | Controls | p-value | |
| Subjects n | 22 | 10 | |
| PWM | |||
| Cho | 1.80±0.35 | 1.98±0.43 | 0.26 |
| Cr | 4.91±0.64 | 5.14±0.84 | 0.45 |
| NAA | 7.52±1.01 | 7.56±1.06 | 0.97 |
| mI | 5.48±0.74 | 5.8±0.93 | 0.26 |
| FWM | |||
| Cho | 1.75±0.33 | 2.18±0.44 | 0.017 |
| Cr | 5.03±0.69 | 5.18±0.64 | 0.6 |
| NAA | 6.76±1.06 | 7.68±1.06 | 0.04 |
| mI | 5.53±1.38 | 6.16±1.17 | 0.18 |
| PFC | |||
| Cho | 1.41±0.26 | 1.57±0.35 | 0.25 |
| Cr | 5.55±0.56 | 5.66±0.72 | 0.57 |
| NAA | 7.32±0.81 | 7.6±0.75 | 0.36 |
| mI | 5.86±0.99 | 5.6±0.97 | 0.34 |
Data are expressed in mmol per kg and presented as mean±sd. PWM: parieto-occipital white matter; FWM: frontal white matter; PFC: prefrontal cortex; Cho: choline; Cr: creatine; NAA: N-acetylaspartate; mI: myo-inositol.