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liud4 / rVMAP

Data Management code for VMAC-MAP study
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update calculation for CMRO2 #39

Closed omair-a-khan closed 4 years ago

omair-a-khan commented 4 years ago

The correct formula, according to Kim on Asana > VMAC Biostatistics Collaboration > MAP Derivation Requests > 20191210 3:32 pm, is:

cmro2 <- asl.rest.grey.matter.hct * ((oef.ya - oef.yv.hct)*0.01) * (0.556 * bld.c.hgb)

This is identical to the current formula, except this one is scaled down by a factor of 100^2.

For this change, we should probably also rename the variable cmro2 to oef.cmro2.hct.

omair-a-khan commented 4 years ago

Need to update name of variable from crmo2 to oef.cmro2.hct.