. 2014 Aug 7;12(4):309–317. doi: 10.1016/j.aju.2014.07.001

Table 2.

A comparison of the mean (SD, range) of intratesticular haemodynamic values in the right and left testes, before and after surgery in patients with left and bilateral varicocele.

Side	PSV (cm/s)	EDV (cm/s)	RI	PI
Left varicocele (35)
Right
Before	10.29 (3.06)	3.58 (1.4)	0.65 (0.06)	1.13 (0.15)
P	–	–	–	–
After	9.46 (1.9)	3.52 (1.1)	0.62 (0.09)	1.06 (0.18)
P	–	–	–	–
P	0.177^b	0.843^b	0.051^b	0.088^b
Left
Before	9.18 (2.97)	2.74 (1.7)	0.69 (0.13)	1.14 (0.3)
P	0.083^a	0.010^a	0.100^a	0.815^a
After	8.79 (1.6)	4.49 (1.01)	0.49 (0.05)	0.72 (0.12)
P	0.488^a	<0.001^a	<0.001^a	<0.001^a
P	0.062^b	<0.001^b	<0.001^b	<0.001^b

Bilateral (47)
Right
Before	10.48 (2.7)	3.81 (1.6)	0.64 (0.11)	1.08 (0.26)
P	–	–	–	–
After	9.72 (2.1)	4.98 (1.3)	0.49 (0.07	0.72 (0.17)
P	–	–	–	–
P	0.136^b	0.001^b	<0.001^b	<0.001 ^b
Left
Before	10.21 (2.7)	3.58 (1.9)	0.66 (0.14)	1.01 (0.25)
P	0.543^a	0.437^a	0.395^a	0.127^a
After	9.89 (1.8)	5.12 (0.98)	0.47 (0.07)	0.67 (0.12)
P	0.659^a	0.054^a	0.546^a	0.089^a
P	0.494^b	<0.001^b	<0.001^b	<0.001^b
Mean (SD, range)
Before (82)	9.94 (2.3, 5.8–16.7)	3.29 (1.45, 0.79–7.04)	0.65 (0.09, 0.48–0.88)	1.07 (0.19, 0.69–1.58)
After (82)	9.45 (1.48, 6.0–14.5)	4.53 (0.99, 2.6–7.3)	0.50 (0.07, 0.35–0.67)	0.76 (0.13, 0.45–1.06)
P	0.062^b	<0.001^b	<0.001^b	<0.001^b

Student’s t-test for paired samples.

Right vs. left.

Before vs. after.