Table 1.

Preoperative data.

Variable, mean (SEM)	B-TUVP	M-TURP	P
Age, years	56.9 (1.2)	55.6 (3.1)	0.147
Prostate size, mL	50.9 (5.3)	53.8 (8.1)	0.064
IPSS	24.3 (5.3)	24.2 (4.4)	0.978
Qmax, mL/s	7.5 (3.1)	6.5 (2.7)	0.268
PVR, mL	215 (7.3)	202.1 (63.1)	0.565
Na+, mmol/L	139.3 (5.20)	137.5 (5.45)	0.154
K+, mmol/L	4.9 (0.47)	4.8 (0.50)	0.587
Haematocrit,%	42.9 (2.51)	42.9 (2.3)	0.871