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. 2020 Aug 31;15(8):e0236986. doi: 10.1371/journal.pone.0236986

Fig 1. Interaction effect of age and CRF on WMH volume.

Fig 1

Scatter plot illustrating the relationship between age and percent ICV WMH volume with high and low CRF as the group variable. Filled (black) dots represent the relationship between age and WMH volume in participants with a CRF less than 28.55 ml/kg/min. Open (white) dots represent the relationship between age and WMH volume in participants with a CRF greater than 28.55 ml/kg/min. Abbreviations: ICV = intracranial volume; VO2 = volume of oxygen; ml = milliliters; kg = kilograms; min = minute.