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Table 1 Comparison of Testicular Volumes Obtained by Ultrasound (US) in our Hospital with those obtained by Formulas (means ± SD) All using the US Width

From: Testicular volumes revisited: A proposal for a simple clinical method that can closely match the volumes obtained by ultrasound and its clinical application

Age range years Number US (ml) equation W2 x L x 0.52 Formula (ml) W3 X 0.8 p value
1 to 2 19 0.64 ± 0.25 0.64 ± 0.24 >0.5
3 to 6 26 1.05 ± 0.44 1.08 ± 0.50 >0.5
7 to 9 15 1.37 ± 0.56 1.46 ± 0.63 >0.5
10 to 11 9 1.40 ± 0.60 1.57 ± 0.77 >0.5
12 to 13 18 7.79 ± 4.40 7.83 ± 4.81 >0.5
14 to 15 10 12.87 ± 7.12 12.50 ± 7.43 >0.5
16 to 17 13 18.31 ± 4.63 18.02 ± 5.54 >0.5
Age range years Number US (ml) equation W x H x L x 0.52 Formula (ml) W 3 x 0.64 p value
1 to 2 19 0.48 ± 0.17 0.51 ± 0.20 >0.5
3 to 6 26 0.78 ± 0.34 0.87 ± 0.40 >0.1
7 to 9 15 0.95 ± 0.42 1.17 ± 0.51 >0.1
10 to 11 9 1.06 ± 0.35 1.26 ± 0.61 >0.1
12 to 13 18 5.94 ± 3.31 6.26 ± 3.85 >0.5
14 to 15 10 10.02 ± 4.76 9.99 ± 5.95 >0.5
16 to 17 13 15.49 ± 4.06 14.42 ± 4.44 >0.5
Age range years Number US (ml) equation W x H x L x 0.71 Formula (ml) W 3 x 0.88 p value
1 to 2 19 0.65 ± 0.24 0.70 ± 0.27 >0.5
3 to 6 26 1.06 ± 0.46 1.19 ± 0.55 >0.1
7 to 9 15 1.30 ± 0.58 1.61 ± 0.70 >0.1
10 to 11 9 1.45 ± 0.48 1.73 ± 0.84 >0.1
12 to 13 18 8.10 ± 4.52 8.61 ± 5.21 >0.5
14 to 15 10 13.68 ± 6.50 13.75 ± 8.18 >0.5
16 to 17 13 21.15 ± 5.54 19.83 ± 6.10 >0.5