Effective Concentration of Lidocaine Plus Fentanyl for Caudal Block in Patients Undergoing Transrectal Ultrasound Guided Prostate Biopsy

Table 2

MBP and HR at various time points.

					value
MBP	The success group ()	95.2 ± 9.1	97.5 ± 10.2	98.9 ± 8.3	0.591
	The fail group ()	94.6 ± 8.7	99.3 ± 9.7	105.3 ± 8.9	0.045
	value	0.874	0.672	0.09
HR	The success group ()	69.2 ± 7.8	71.2 ± 8.8	73.1 ± 8.6	0.503
	The fail group ()	68.7 ± 8.1	73.5 ± 7.7	79.1 ± 9.2	0.033
	value	0.882	0.519	0.122

Data are presented as mean ± standard deviation or number of patients. : the average of two consecutive invasive blood pressures in the supine position on admission to the clinic room; : 1 minute after the first shot of biopsy; : 2 minutes after the first shot of biopsy; MBP: mean blood pressure; HR: heart rate.