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Table 1 3D-EUS and 3D-HRAM findings in patients with fistulas
| Patient groups | Total group | Primary fistula | Seton/abscess drainage | Recurrent fistula |
|---|---|---|---|---|
| Number of patients (Male/Female) | 40 (21/19) | 4 (3/1) | 19 (5/14) | 17 (13/4) |
| 3D-EUS | ||||
| Fistula type (n) | ||||
| Simple | 7 | 0 | 6 | 1 |
| Complex | 33 | 4 | 13 | 16 |
| Additional defects (n) | ||||
| IAS | 4 (2/2) | 0 | 2 (0/2a) | 2 (2/0) |
| EAS | 4 (1/3) | 0 | 2 (0/1a1) | 2 (1/1) |
| IAS + EAS | 4 (3/1) | 0 | 1 (1/0) | 3 (2/1a) |
| 3D-HRAM | ||||
| MRP (mmHg) | 69 | 81 | 65 | 70 |
| MSP (mmHg) | 125 | 145 | 106 | 143 |
| MRP FTA (mmHg) | 47 | 66 | 42 | 47 |
| MRP Non-FTA (mmHg) | 76 | 95 | 74 | 73 |
| MSP FTA (mmHg) | 92 | 111 | 82 | 99 |
| MSP Non-FTA (mmHg) | 138 | 175 | 130 | 138 |
| Sphincter length (cm) | 3.3 | 4.4 | 3.2 | 3.0 |
| Groove (n) | 11 | 2 | 5 | 4 |
| Simple fistula | 0 | 0 | 0 | 0 |
| Complex fistula | 11 | 2 | 5 | 4 |
| Agreement 3D-EUS and 3D-HRAM | ||||
| Good | 24 | 3 | 12 | 9 |
| Moderate | 8 | 0 | 4 | 4 |
| No | 8 | 1 | 3 | 4 |
