Table 1 Mean OEF values of the core, penumbra and normal white matter at different times and 95% confidence intervals (CIs).

From: Determination of oxygen extraction fraction using magnetic resonance imaging in canine models with internal carotid artery occlusion

Time

Core (95% CI lower, upper)

Penumbra (95% CI lower, upper)

Normal White Matter (95% CI lower, upper)

30 min

0.551(0.530, 0.572)

0.391(0.370, 0.412)

0.282(0.261, 0.303)

60 min

0.588(0.569, 0.607)

0.398(0.379, 0.416)

0.284(0.265, 0.303)

90 min

0.597(0.579, 0.614)

0.395(0.378, 0.413)

0.285(0.268, 0.303)

120 min

0.559(0.537, 0.582)

0.399(0.379, 0.420)

0.287(0.266, 0.307)