Summary of main studies reporting prevalence of organic forms of CPP in males
| Author . | Study design . | Diagnostic criteria . | Country . | Number of cases . | Percentage of organic forms . |
|---|---|---|---|---|---|
| De Sanctis, 2000 (9) | Retrospective multicentric | CA < 9 yrs TV > 3 mL | Italy | 45 | 46% |
| Chemaitilly, 2001 (10) | Retrospective monocentric | CA < 9 yrs M & F | France | 26 | 77% |
| Alikasifoglu, 2015 (11) | Retrospective monocentric | CA < 9 yrs TV > 4 mL | Turkey | 100 | 26% |
| Yoon, 2017 (12) | Retrospective monocentric | CA < 10 yrs M & F | South Korea | 138 | 7% |
| Topor, 2018 (13) | Retrospective monocentric | CA < 9 yrs TV > 3 mL | USA | 50 | 64% |
| Lee, 2018 (14) | Retrospective monocentric | CA < 9 yrs TV > 4 mL | South Corea | 71 | 38% |
| Wang, 2020 (15) | Retrospective monocentric | CA < 9 yrs TV > 4 mL | China | 129 | 16% |
| Ziqin, 2021 (16) | Retrospective monocentric | CA < 9 yrs CPP & PPP | China | 62 | 21% |
| Author . | Study design . | Diagnostic criteria . | Country . | Number of cases . | Percentage of organic forms . |
|---|---|---|---|---|---|
| De Sanctis, 2000 (9) | Retrospective multicentric | CA < 9 yrs TV > 3 mL | Italy | 45 | 46% |
| Chemaitilly, 2001 (10) | Retrospective monocentric | CA < 9 yrs M & F | France | 26 | 77% |
| Alikasifoglu, 2015 (11) | Retrospective monocentric | CA < 9 yrs TV > 4 mL | Turkey | 100 | 26% |
| Yoon, 2017 (12) | Retrospective monocentric | CA < 10 yrs M & F | South Korea | 138 | 7% |
| Topor, 2018 (13) | Retrospective monocentric | CA < 9 yrs TV > 3 mL | USA | 50 | 64% |
| Lee, 2018 (14) | Retrospective monocentric | CA < 9 yrs TV > 4 mL | South Corea | 71 | 38% |
| Wang, 2020 (15) | Retrospective monocentric | CA < 9 yrs TV > 4 mL | China | 129 | 16% |
| Ziqin, 2021 (16) | Retrospective monocentric | CA < 9 yrs CPP & PPP | China | 62 | 21% |
Abbreviations: CA, chronological age; F, female; M, male; TV testicular volume;;.
Summary of main studies reporting prevalence of organic forms of CPP in males
| Author . | Study design . | Diagnostic criteria . | Country . | Number of cases . | Percentage of organic forms . |
|---|---|---|---|---|---|
| De Sanctis, 2000 (9) | Retrospective multicentric | CA < 9 yrs TV > 3 mL | Italy | 45 | 46% |
| Chemaitilly, 2001 (10) | Retrospective monocentric | CA < 9 yrs M & F | France | 26 | 77% |
| Alikasifoglu, 2015 (11) | Retrospective monocentric | CA < 9 yrs TV > 4 mL | Turkey | 100 | 26% |
| Yoon, 2017 (12) | Retrospective monocentric | CA < 10 yrs M & F | South Korea | 138 | 7% |
| Topor, 2018 (13) | Retrospective monocentric | CA < 9 yrs TV > 3 mL | USA | 50 | 64% |
| Lee, 2018 (14) | Retrospective monocentric | CA < 9 yrs TV > 4 mL | South Corea | 71 | 38% |
| Wang, 2020 (15) | Retrospective monocentric | CA < 9 yrs TV > 4 mL | China | 129 | 16% |
| Ziqin, 2021 (16) | Retrospective monocentric | CA < 9 yrs CPP & PPP | China | 62 | 21% |
| Author . | Study design . | Diagnostic criteria . | Country . | Number of cases . | Percentage of organic forms . |
|---|---|---|---|---|---|
| De Sanctis, 2000 (9) | Retrospective multicentric | CA < 9 yrs TV > 3 mL | Italy | 45 | 46% |
| Chemaitilly, 2001 (10) | Retrospective monocentric | CA < 9 yrs M & F | France | 26 | 77% |
| Alikasifoglu, 2015 (11) | Retrospective monocentric | CA < 9 yrs TV > 4 mL | Turkey | 100 | 26% |
| Yoon, 2017 (12) | Retrospective monocentric | CA < 10 yrs M & F | South Korea | 138 | 7% |
| Topor, 2018 (13) | Retrospective monocentric | CA < 9 yrs TV > 3 mL | USA | 50 | 64% |
| Lee, 2018 (14) | Retrospective monocentric | CA < 9 yrs TV > 4 mL | South Corea | 71 | 38% |
| Wang, 2020 (15) | Retrospective monocentric | CA < 9 yrs TV > 4 mL | China | 129 | 16% |
| Ziqin, 2021 (16) | Retrospective monocentric | CA < 9 yrs CPP & PPP | China | 62 | 21% |
Abbreviations: CA, chronological age; F, female; M, male; TV testicular volume;;.
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