Table 3.
All patients |
Patients with impaired NVC |
Patients with intact NVC |
||||
---|---|---|---|---|---|---|
z score | t score | z score | t score | z score | t score | |
OEF | –0.770 | –0.632 | –0.581 | –0.620 | 0.354 | 0.131 |
(%) | (p < 0.001) | (p = 0.003) | (p = 0.171) | (p = 0.138) | (p = 0.235) | (p = 0.670) |
CMRO2 | –0.136 | 0.068 | 0.094 | 0.166 | 0.280 | 0.474 |
(µmol/100g·min) | (p = 0.569) | (p = 0.777) | (p = 0.840) | (p = 0.722) | (p = 0.354) | (p = 0.102) |
mitoPO2 | 0.802 | 0.619 | –0.144 | –0.185 | 0.038 | –0.029 |
(mmHg) | (p < 0.001) | (p = 0.004) | (p = 0.759) | (p = 0.692) | (p = 0.902) | (p = 0.924) |
CBV | 0.683 | 0.538 | –0.115 | 0.036 | –0.144 | –0.094 |
(%) | (p = 0.001) | (p = 0.014) | (p = 0.806) | (p = 0.938) | (p = 0.638) | (p = 0.761) |
µCBV | 0.564 | 0.616 | –0.076 | –0.125 | –0.126 | 0.318 |
(%) | (p = 0.010) | (p = 0.004) | (p = 0.871) | (p = 0.789) | (p = 0.682) | (p = 0.290) |
CBF | 0.543 | 0.421 | –0.199 | –0.044 | –0.397 | –0.274 |
(ml/100g·min) | (p = 0.013) | (p = 0.065) | (p = 0.669) | (p = 0.925) | (p = 0.179) | (p = 0.365) |
µCBF | 0.696 | 0.578 | –0.145 | 0.162 | 0.130 | 0.125 |
(ml/100g·min) | (p = 0.001) | (p = 0.008) | (p = 0.757) | (p = 0.729) | (p = 0.671) | (p = 0.683) |
MVD | 0.562 | 0.335 | –0.124 | 0.036 | 0.078 | –0.245 |
(mm–2) | (p = 0.010) | (p = 0.149) | (p = 0.791) | (p = 0.939) | (p = 0.801) | (p = 0.420) |
VSI | 0.485 | 0.401 | –0.062 | 0.148 | –0.132 | –0.054 |
(µm) | (p = 0.030) | (p = 0.080) | (p = 0.894) | (p = 0.751) | (p = 0.668) | (p = 0.861) |
OEF: oxygen extraction fraction; CMRO2: cerebral metabolic rate of oxygen; mitoPO2: mitochondrial oxygen tension; CBV: cerebral blood volume; µCBV: cerebral blood volume in microvasculature; CBF: cerebral blood flow; µCBF: cerebral blood flow in microvasculature; MVD: microvessel density; VSI: vessel size index.