Table 3.
Assessment of temporal summation of mechanical pain at the hand, trapezius, and overall between African American (AA) and non-Hispanic white (NHW) community-dwelling adults.
| Variables | Racial Group | Mean (SD) | p |
|---|---|---|---|
| Hand | |||
| Pain rating – 1st contact | NHW AA |
3.15 (4.12) 5.38 (8.25) |
0.227 |
| Pain rating – 10 contacts | NHW AA |
6.54 (6.62) 13.96 (13.10) |
0.015 |
| Temporal summation – Hand | NHW AA |
3.39 (4.20) 8.58 (8.89) |
0.048 |
| Trapezius | |||
| Pain rating – 1st contact | NHW AA |
3.33 (3.60) 4.58 (6.48) |
0.402 |
| Pain rating – 10 contacts | NHW AA |
7.21 (4.72) 15.94 (16.39) |
0.014 |
| Temporal summation – Trapezius | NHW AA |
3.88 (3.43) 11.37 (13.69) |
0.022 |
| Overall Temporal Summation* | NHW AA |
3.64 (3.37) 8.93 (8.83) |
0.012 |
Note: All pain intensity ratings were provided using a 0–100 numeric rating scale with 0 = “no pain” and 100 = “the most intense pain imaginable”. The magnitude of temporal summation represents a difference score (10th contact–1st contact) at each site.
*
Overall temporal summation is the average of site specific temporal summation at the hand and trapezius.