Tab. 1.
Comparison of values obtained by the built-in software of ultrasound systems and re-calculated values with reference to the updated guidelines
| Ultrasound systems | Manufacture date | Software update date | Distribution of testicular measurement (n = 1909) | Concordance after validity (n = 566) | Discordance after validity (n = 1343) |
|---|---|---|---|---|---|
| Siemens Acuson S2000 | September 2009 | July 2015 | 352 | 0 | 352 |
| Philips EPIQ5 | February 2018 | No | 224 | 0 | 224 |
| GE Logiq E9 | March 2017 | No | 362 | 0 | 362 |
| Mindray DC-8 | June 2012 | January 2017 | 363 | 363 | 0 |
| Mindray Resona 7 | November 2017 | No | 203 | 203 | 0 |
| Hitachi Aloka Prosound α7 | October 2010 | No | 505 | 0 | 505 |