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
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 |