Urine analysis of a patient with haematuria and hypercalciuria is most likely to reveal which of the following

Hematuria is the presence of red blood cells in the urine. Microscopic hematuria is invisible to the naked eye and is often found by urinalysis or urine dipstick; it is said to be chronic or persistent if 5 or more red blood cells (RBCs) per high-power field can be seen in 3 of 3 consecutive centrifuged specimens obtained at least 1 week apa Paediatrics nephrology 5/141