Table 2.

Comparison of left scrotal ultrasound diameter measurements (mm) at rest and during Valsalva between different varicocele grades.

Clinical grade	At rest		During Valsalva		Difference between means
	Mean±SD	Range	Mean±SD	Range
Grade 0 (n=52)	3.12±0.98	0–5.2	4.46±1.52	2.2–10.3	1.34
Grade 1 (n=12)	3.71±0.88	2.4–5.6	4.86±1.42	3.4–7.5	1.15
Grade 2 (n=31)	3.89±1.56	1.3–7.6	4.84±2.62	0–14.2	0.94
Grade 3 (n=7)	4.60±1.74	2.7–8.1	4.96±1.97	2.7–8.8	0.36
Total (n=102)	3.52±1.30	0–8.1	4.65±1.92	0–14.2	1.13
p-Value	0.004		0.776

SD, standard deviation; n, number of patients per group as determined by physical exam grading.