Table 1.

Preoperative parameters

Parameters	TURIS-PVP	PlasmaKinetic	TURP	KTP
IPSS	21.4	22	20.5	19.7
Prostatic vol.	53 ml	42 ml	44.5 ml	43 ml
RV	72 ml	54 ml	180 ml	88 ml
Qmax	9.7 ml/s	8.5 ml/s	10.4 ml/s	13 ml/s