[140- alder (år)] x vægt (kg) CLcr (ml/ min) = ----------------------------------------- (x 0, 85 for kvinder) 72 x serum kreatinin (mg/ dl)
63 [140-età (anni)] x peso (kg) CLcr (ml/ min) = ----------------------------------------- (x 0,85 nelle donne) 72 x creatinina sierica (mg/ dl)