NPPB and myalgic encephalomeyelitis/chronic fatigue syndrome: This result is not unsurprising, given the significant differences in baseline characteristics between the two groups: DOAC-treated patients were older, had a higher proportion of males, higher BMI and comorbidity and frailty (as indicated by higher ASA scores and CFS, as well as NT-proBNP, creatinine and eGFR levels).