Stones
Tiselius AP(CaOx) index
Activity product index for CaOx supersaturation from 24-h urine.
Required inputs
- 24-h urine Ca (mmol)
- 24-h urine oxalate (mmol)
- 24-h urine Mg (mmol)
- 24-h urine citrate (mmol)
- 24-h urine volume (L)
Equation or source
Tiselius HG. Eur Urol 1997;32:294.