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Surgical modalities of PTx.
| Study | Group | Subtotal PTx | Total PTx with AT | Total PTx without AT | Unknown/others |
|---|---|---|---|---|---|
| Jeon 2012 (23) | Pre | 23 | 11 | – | 3 |
| Post | 45 | 8 | – | 10 | |
| Littbarski 2018 (short-term) (22) | Pre | 18 | 28 | 6 | – |
| Post | 3 | 9 | 2 | – | |
| Littbarski 2018 (long-term) (22) | Pre | 23 | 36 | 8 | – |
| Post | 16 | 38 | 2 | – | |
| van der Plas 2019 (25) | Pre | 25 | 57 | – | 20 |
| Post | 38 | 36 | – | 9 | |
| Okada 2019 (26) | Pre | 0 | 55 | – | – |
| Post | 0 | 53 | – | – | |
| Wang 2023 (27) | Pre | 1 | 15 | – | 7 |
| Post | 55 | 20 | – | – | |
| Total (580 classifiable) | 179 (30.9%) | 347 (59.8%) | 18 (3.1%) | 36 (6.2%) |
