Table 3. Psychophysical Responses by Mirror Tracing Persistence Task Performance.
| Mirror Tracing Persistence | Test Statistic | |||
|---|---|---|---|---|
| Variable, mean (SD) | Discontinued (n=26) | Completed (n=19) | Z | p |
| Mechanical Pain | ||||
| Trial 1 | 12.25(12.57) | 10.74(16.45) | -0.96 | .34 |
| Trial 5 | 16.46(16.21) | 13.34(19.67) | -0.99 | .32 |
| Trial 10 | 20.12(20.74) | 14.79(21.84) | -1.00 | .32 |
| CPM | 124.64(24.90) | 120.12(18.27) | -0.32 | .75 |
| Cold Pressor | ||||
| Maximum Pain | 77.34(22.28) | 69.36(22.22) | -1.39 | .16 |
| Pain 30sec after CP | 10.19(21.42) | 15.44(23.58) | -1.25 | .21 |
| Pain 60sec after CP | 6.06(18.20) | 5.47(15.06) | -0.54 | .59 |
| Pain 90sec after CP | 5.29(17.18) | 1.67(4.46) | -0.27 | .79 |
|
| ||||
| t | ||||
|
| ||||
| Pressure Pain Threshold | ||||
| Thumb | 396.12 (164.98) | 454.60 (121.80) | -1.27 | .21 |
| Trapezius | 466.40(237.46) | 599.25(224.96) | -1.90 | .07 |
| CP Tolerance | 54.91(50.46) | 63.36(61.40) | -0.50 | .62 |
Note. CP=cold pressor, CPM = conditioned pain modulation.