Table 2.
Values measured in the studied group and significance of the change between I.V. and M.V.
| Patient: CODE | Method | Measurement | Average | Median | Min | Max | Bottom quartile | Upper quartile | Standard deviation |
|---|---|---|---|---|---|---|---|---|---|
| BF-2 | CENTER | I.V. | 160.17 | 128.5 | 79 | 329 | 101 | 220 | 77.41 |
| M.V. | 169.33 | 135 | 64 | 322 | 94.5 | 264 | 92.79 | ||
| Difference | 9.17 | 6 | -39 | 53 | -10 | 28 | 27.29 | ||
| Difference significance | Z = 1.020, p = 0.308 | ||||||||
| BALANCE | I.V. | 160.92 | 149 | 82 | 313 | 101.5 | 193.5 | 70.28 | |
| M.V. | 153.67 | 142 | 63 | 315 | 93.5 | 191.5 | 72.63 | ||
| Difference | -7.25 | -7 | -19 | 4 | -12.5 | -2 | 7.44 | ||
| Difference significance | Z = 2.589, p = 0.010 | ||||||||
| INSECTS | I.V. | 234.58 | 226.5 | 103 | 370 | 202.5 | 286 | 78.60 | |
| M.V. | 166.00 | 163.5 | 87 | 275 | 110 | 216.5 | 62.73 | ||
| Difference | -51.92 | -37 | -163 | 39 | -104 | -2 | 63.60 | ||
| Difference significance | Z = 2.490, p = 0.013 | ||||||||
| BF-3 | CENTER | I.V. | 772.00 | 734.5 | 504 | 1458 | 600.5 | 801 | 273.00 |
| M.V. | 841.17 | 742 | 508 | 1457 | 622.5 | 982.5 | 308.65 | ||
| Difference | 69.17 | 41 | -78 | 251 | -26 | 205 | 124.16 | ||
| Difference significance | Z = 1.336, p = 0.182 | ||||||||
| BALANCE | I.V. | 941.67 | 843 | 508 | 1831 | 717 | 1034.5 | 394.96 | |
| M.V. | 859.17 | 759 | 496 | 1695 | 597 | 978.5 | 368.79 | ||
| Difference | -82.50 | -94 | -253 | 30 | -143 | -0.5 | 88.72 | ||
| Difference significance | Z = 2.275, p = 0.023 | ||||||||
| INSECTS | I.V. | 1293.00 | 1122 | 552 | 2624 | 912.5 | 1620 | 559.87 | |
| M.V. | 1066.75 | 925.5 | 484 | 2300 | 777 | 1333 | 486.40 | ||
| Difference | 107.50 | 175.5 | -180 | 302 | -6.5 | 212 | 144.07 | ||
| Difference significance | Z = 2.118, p = 0.034 | ||||||||
| BF-7 | CENTER | I.V. | 310.58 | 265.5 | 159 | 636 | 217.5 | 398.5 | 139.31 |
| M.V. | 400.67 | 393 | 207 | 665 | 277 | 515 | 154.62 | ||
| Difference | 90.08 | 81.5 | -45 | 227 | 35.5 | 145.5 | 75.17 | ||
| Difference significance | Z = 2.746, p = 0.006 | ||||||||
| BALANCE | I.V. | 220.17 | 220 | 115 | 353 | 187 | 250.5 | 64.36 | |
| M.V. | 285.33 | 300.5 | 148 | 376 | 253 | 334 | 74.72 | ||
| Difference | 65.17 | 49 | 11 | 149 | 21.5 | 103 | 49.06 | ||
| Difference significance | Z = 3.059, p = 0.002 | ||||||||
| INSECTS | I.V. | 377.00 | 362.5 | 229 | 638 | 301.5 | 449 | 111.28 | |
| M.V. | 309.50 | 296.5 | 201 | 519 | 230 | 376 | 92.37 | ||
| Difference | 41.58 | 49.5 | -73 | 175 | 7 | 77.5 | 67.34 | ||
| Difference significance | Z = 1.922, p = 0.055 | ||||||||
| BF-8 | CENTER | I.V. | 467.58 | 387 | 221 | 1381 | 306.5 | 481 | 307.96 |
| M.V. | 511.58 | 425.5 | 247 | 1423 | 334 | 598 | 315.18 | ||
| Difference | 44.00 | 37.5 | -17 | 161 | 13.5 | 54.5 | 50.59 | ||
| Difference significance | Z = 2.667, p = 0.008 | ||||||||
| BALANCE | I.V. | 612.58 | 512 | 194 | 1654 | 397 | 711.5 | 374.80 | |
| M.V. | 611.83 | 535.5 | 227 | 1662 | 385 | 710.5 | 371.79 | ||
| Difference | -0.75 | 20.5 | -320 | 260 | -75 | 58.5 | 142.49 | ||
| Difference significance | Z = 0.157, p = 0.875 | ||||||||
| INSECTS | I.V. | 815.83 | 663.5 | 295 | 2698 | 496.5 | 869 | 625.78 | |
| M.V. | 726.42 | 684 | 184 | 2267 | 452 | 755.5 | 524.72 | ||
| Difference | -62.83 | -78 | -416 | 171 | -119.5 | 74.5 | 156.95 | ||
| Difference significance | Z = 1.334, p = 0.182 | ||||||||
| BF-9 | CENTER | I.V. | 663.58 | 484.5 | 120 | 1967 | 350.5 | 799.5 | 530.65 |
| M.V. | 613.58 | 536.5 | 130 | 1828 | 388.5 | 690 | 440.82 | ||
| Difference | -50.00 | 20 | -649 | 171 | -109.5 | 54.5 | 211.32 | ||
| Difference significance | Z = 0.078, p = 0.937 | ||||||||
| BALANCE | I.V. | 767.42 | 510.5 | 250 | 1849 | 434 | 990.5 | 554.76 | |
| M.V. | 698.58 | 501 | 243 | 1759 | 423.5 | 776.5 | 476.27 | ||
| Difference | -68.83 | -14.5 | -415 | 72 | -45 | -6.5 | 142.31 | ||
| Difference significance | Z = 2.275, p = 0.023 | ||||||||
| INSECTS | I.V. | 792.17 | 692 | 373 | 1716 | 504 | 1011 | 383.04 | |
| M.V. | 630.33 | 541.5 | 294 | 1664 | 442 | 698.5 | 363.36 | ||
| Difference | -120.25 | -63 | -473 | 129 | -224.5 | -4 | 173.86 | ||
| Difference significance | Z = 2.275, p = 0.023 | ||||||||
| BF-10 | CENTER | I.V. | 413.58 | 417.5 | 280 | 568 | 347 | 463.5 | 83.57 |
| M.V. | 427.92 | 418 | 276 | 695 | 317 | 486.5 | 131.69 | ||
| Difference | 14.33 | 23 | -116 | 237 | -34 | 35.5 | 86.38 | ||
| Difference significance | Z = 0.549, p = 0.583 | ||||||||
| BALANCE | I.V. | 446.08 | 445 | 220 | 674 | 335.5 | 549 | 138.46 | |
| M.V. | 448.00 | 407.5 | 212 | 845 | 328 | 528.5 | 176.75 | ||
| Difference | 1.92 | 1.5 | -197 | 229 | -14.5 | 26.5 | 97.63 | ||
| Difference significance | Z = 0.275, p = 0.784 | ||||||||
| INSECTS | I.V. | 472.83 | 439 | 309 | 780 | 383.5 | 549.5 | 133.60 | |
| M.V. | 364.17 | 364.5 | 196 | 534 | 293 | 430.5 | 94.53 | ||
| Difference | -64.42 | -30 | -259 | 54 | -162.5 | 25 | 109.06 | ||
| Difference significance | Z = 1.451, p = 0.147 | ||||||||
| Whole group: | CENTER | I.V. | 464.58 | 380 | 79 | 1967 | 242.5 | 577 | 343.02 |
| M.V. | 494.04 | 424.5 | 64 | 1828 | 288 | 629.5 | 332.94 | ||
| Difference | 29.46 | 30 | -649 | 251 | -9.5 | 62 | 118.11 | ||
| Difference significance | Z = 3.517, p = 0.0004 | ||||||||
| BALANCE | I.V. | 524.81 | 424 | 82 | 1849 | 226 | 674.5 | 421.57 | |
| M.V. | 509.43 | 398.5 | 63 | 1759 | 264 | 655.5 | 378.37 | ||
| Difference | -15.38 | -5 | -415 | 260 | -24 | 31.5 | 108.63 | ||
| Difference significance | Z = 0.676, p = 0.498 | ||||||||
| INSECTS | I.V. | 664.24 | 492.5 | 103 | 2698 | 346.5 | 820.5 | 512.26 | |
| M.V. | 543.86 | 413 | 87 | 2300 | 274 | 701.5 | 441.66 | ||
| Difference | -25.06 | -9.5 | -473 | 302 | -104.5 | 54.5 | 144.10 | ||
| Difference significance | Z = 1.252, p = 0.211 | ||||||||
Legend: CENTER: relaxation training module; BALANCE: concentration training module; INSECTS: self-regulation training module; I.V.: initial measurement value (kOhm); M.V.: mean measurement value for the entire task (kOhm); Difference: a difference between I.V. and M.V.; Z: a result of the Wilcoxon signed-rank test; p: statistical significance. BF-2, BF-3, BF-7, BF-8, BF-9, BF-10: randomly selected patients from the Biofeedback group (patient code).