Comparison of the New Manometric Parameters Between the Responders and Non-responders
| Variables | BFT responder (n = 55) | BFT non-responder (n = 16) | |||||
|---|---|---|---|---|---|---|---|
| Median | 25th percentile | 75th percentile | Median | 25th percentile | 75th percentile | ||
| Simulated evacuation without balloon distension | |||||||
| Upper 1-cm IPV (mmHg·sec·cm) | 174.90 | 103.44 | 235.33 | 239.10 | 140.01 | 316.53 | 0.100 |
| Lower 4-cm IPV (mmHg·sec·cm) | 292.14 | 226.51 | 373.62 | 354.17 | 268.05 | 429.00 | 0.090 |
| Upper 1-cm vs lower 4-cm ratio of IPV | 0.59 | 0.41 | 0.86 | 0.64 | 0.54 | 0.76 | 0.500 |
| Upper 2-cm IPV (mmHg·sec·cm) | 190.83 | 155.06 | 289.34 | 243.11 | 169.98 | 354.38 | 0.150 |
| Lower 3-cm IPV (mmHg·sec·cm) | 312.64 | 246.70 | 409.84 | 387.80 | 306.34 | 473.64 | 0.070 |
| Upper 2-cm vs lower 3-cm ratio of IPV | 0.67 | 0.50 | 0.88 | 0.72 | 0.52 | 0.87 | 0.660 |
| Upper 3-cm IPV (mmHg·sec·cm) | 223.60 | 180.71 | 323.38 | 279.07 | 205.49 | 389.92 | 0.110 |
| Lower 2-cm IPV (mmHg·sec·cm) | 327.00 | 248.36 | 462.56 | 397.08 | 344.80 | 482.40 | 0.080 |
| Upper 3-cm vs lower 2-cm ratio of IPV | 0.71 | 0.52 | 0.93 | 0.73 | 0.61 | 0.93 | 0.460 |
| Upper 4-cm IPV (mmHg·sec·cm) | 261.07 | 201.95 | 338.97 | 301.19 | 242.58 | 401.05 | 0.120 |
| Lower 1-cm IPV (mmHg·sec·cm) | 333.57 | 221.97 | 445.83 | 421.22 | 286.69 | 507.97 | 0.100 |
| Upper 4-cm vs lower 1-cm ratio of IPV | 0.79 | 0.62 | 1.00 | 0.79 | 0.67 | 0.94 | 0.860 |
| Duration of simulated evacuation | 7.30 | 6.50 | 8.20 | 7.15 | 5.90 | 7.95 | 0.480 |
| Simulated evacuation with balloon distension | |||||||
| Upper 1-cm IPV (mmHg·sec·cm) | 189.19 | 99.57 | 255.44 | 267.32 | 240.23 | 369.14 | < 0.01 |
| Lower 4-cm IPV (mmHg·sec·cm) | 285.17 | 219.46 | 391.53 | 359.74 | 257.49 | 402.33 | 0.150 |
| Upper 1-cm vs lower 4-cm ratio of IPV | 0.64 | 0.41 | 0.89 | 0.80 | 0.63 | 1.02 | 0.050 |
| Upper 2-cm IPV (mmHg·sec·cm) | 209.99 | 143.10 | 334.90 | 302.35 | 239.05 | 377.81 | 0.020 |
| Lower 3-cm IPV (mmHg·sec·cm) | 303.15 | 227.91 | 418.03 | 362.98 | 248.77 | 433.30 | 0.330 |
| Upper 2-cm vs lower 3-cm ratio of IPV | 0.68 | 0.51 | 0.90 | 0.84 | 0.74 | 1.15 | 0.020 |
| Upper 3-cm IPV (mmHg·sec·cm) | 229.05 | 166.37 | 361.15 | 312.14 | 244.40 | 390.77 | 0.040 |
| Lower 2-cm IPV (mmHg·sec·cm) | 303.17 | 233.95 | 422.06 | 366.24 | 253.46 | 467.72 | 0.390 |
| Upper 3-cm vs lower 2-cm ratio of IPV | 0.74 | 0.57 | 0.97 | 0.85 | 0.71 | 1.24 | 0.090 |
| Upper 4-cm IPV (mmHg·sec·cm) | 247.11 | 198.32 | 358.13 | 312.92 | 273.32 | 375.24 | 0.060 |
| Lower 1-cm IPV (mmHg·sec·cm) | 299.66 | 217.38 | 410.41 | 331.83 | 239.87 | 538.63 | 0.360 |
| Upper 4-cm vs lower 1-cm ratio of IPV | 0.81 | 0.60 | 1.12 | 0.89 | 0.67 | 1.26 | 0.460 |
| Duration of simulated evacuation | 8.10 | 7.10 | 9.20 | 8.00 | 7.03 | 9.60 | 0.900 |
BFT, biofeedback therapy; IPV, integrated pressurized volume.