Table 3.
Measure | Mean | SD | Min | Max |
---|---|---|---|---|
Cold Pain (0–10 NRS) | ||||
Rating | 5.49 | 2.34 | 0 | 10 |
Residuals | −0.1 | 2.3 | −5.7 | 4.5 |
CPM | ||||
Left Knee (Newtons) | 6.7 | 9.1 | −10.8 | 47.2 |
Temporal Summation | ||||
Max Trial | 9.5 | 1.6 | 2 | 10 |
Mean Pain (0–10 NRS) | 2.2 | 1.3 | −0.5 | 5.3 |
Slope | 0.2 | 0.4 | −0.3 | 3.0 |
Visual Unpleasantness | ||||
Mean (0–20 GBS) | 8.1 | 3.9 | 0.0 | 19.6 |
Slope | 0.6 | 0.7 | −1.5 | 3.0 |
Auditory Unpleasantness | ||||
Mean (0–20 GBS) | 6.4 | 2.5 | 1.2 | 13.6 |
Slope | 1.9 | 0.8 | −1.3 | 4.0 |
Note. Cold pain residuals, not ratings, were used in the principal component analysis. CPM=conditioned pain modulation; NRS=numeric rating scale; GBS=Gracely Box Scale.