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Table 3 Median and range values for pain intensity ratings on visual analogue scale (VAS 0-10 cm), and total and referred pain drawing area sizes (mm2) after hypertonic saline infusion for the trapezius myalgia group (NSP) and for the controls (CON)
| NSP (n = 19) Median (range) | CON (n = 30) Median (range) | p-value | |
|---|---|---|---|
| Mean VAS (cm) | 4.0 (.4-7.9) | 2.8 (.8-7.9) | .002 |
| Area under VAS curve (cm*s) | 1616 (126-2842) | 758 (50-2501) | .001 |
| Pain onset (s) | 25 (0-115) | 30 (10-285) | .197 |
| Peak VAS (cm) | 7.6 (2.0-10.0) | 5.0 (1.0-10.0) | .006 |
| Time to peak (s) | 95 (50-350) | 120 (35-655) | .335 |
| Total pain area size (mm2) | 234 (36-3193) | 113 (4-864) | .013 |
| Referred pain area size (mm2) | 65 (0-1376) | 0 (0-294) | .020 |
