G6PD deficiency intra or extra mainly?

[anbuitachi]

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Pathoma says G6PD deficiency is mainly intravascular deficiency, w/ hemoglobinuria a few hrs after stress.

In first aid p 356 e 13. It says it's primarily destroyed extravascularly, and says hemoglobinuria a few days later..

I know it can be both, but which is it predominantly??