Table 5 PTA results in BD patients with disease duration > 5 years and BD patients with disease duration < 5 years
PTA | Patients with disease duration > 5 years (n = 18) | Patients with disease duration < 5 years (n = 5–2) | t value | P value | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Min | Max | Mean | SD | Min | Max | ||||
250 Hz | RT | 19.20 | 8.60 | 5.00 | 40.00 | 18.61 | 4.80 | 10.00 | 25.00 | − 0.171 | 0.865 |
LT | 22.50 | 9.00 | 10.00 | 40.00 | 20.00 | 7.10 | 10.00 | 30.00 | − 0.660 | 0.516 | |
500 Hz | RT | 19.70 | 7.20 | 10.00 | 40.00 | 15.70 | 4.50 | 10.00 | 25.00 | − 1.368 | 0.185 |
LT | 20.80 | 9.30 | 10.00 | 40.00 | 19.30 | 6.11 | 15.00 | 30.00 | − 0.406 | 0.688 | |
1KHz | RT | 19.20 | 5.20 | 10.00 | 30.00 | 20.70 | 7.31 | 10.00 | 30.00 | 0.595 | 0.558 |
LT | 20.00 | 6.40 | 10.00 | 35.00 | 15.00 | 5.80 | 10.00 | 25.00 | − 1.794 | 0.086 | |
2KHz | RT | 19.70 | 6.50 | 10.00 | 35.00 | 20.00 | 11.90 | 10.00 | 45.00 | 0.075 | 0.941 |
LT | 20.30 | 5.31 | 10.00 | 30.00 | 18.60 | 12.11 | 10.00 | 45.00 | − 0.498 | 0.623 | |
4KHz | RT | 22.50 | 7.90 | 10.00 | 40.00 | 25.70 | 15.70 | 15.00 | 60.00 | 0.687 | 0.499 |
LT | 27.50 | 9.60 | 10.00 | 50.00 | 23.61 | 14.90 | 10.00 | 55.00 | − 0.786 | 0.440 | |
8KHz | RT | 28.30 | 10.80 | 15.00 | 60.00 | 30.00 | 10.00 | 20.00 | 50.00 | 0.352 | 0.728 |
LT | 27.80 | 13.00 | 15.00 | 50.00 | 25.00 | 16.31 | 10.00 | 55.00 | − 0.448 | 0.659 | |
10KHz | RT | 53.60 | 13.90 | 30.00 | 85.00 | 52.90 | 18.50 | 30.00 | 80.00 | − 0.111 | 0.912 |
LT | 60.00 | 20.40 | 25.00 | 95.00 | 63.60 | 19.50 | 40.00 | 95.00 | 0.398 | 0.694 | |
12.5KHz | RT | 57.80 | 15.20 | 35.00 | 90.00 | 59.30 | 16.90 | 40.00 | 90.00 | 0.216 | 0.831 |
LT | 65.00 | 20.90 | 30.00 | 90.00 | 60.00 | 21.60 | 30.00 | 100.00 | − 0.532 | 0.600 | |