Table 1.
Cross-sectional description of study participants with functional and nociceptive paina.
| Functional pain | Nociceptive pain | |
|---|---|---|
| Number of participants (denominator) | 68 | 89 |
| Peg algometry rating from 0 to 10 in 1/2 units | ||
| Mean finger pressure pain (SD) | 4.5 (3.0) | 1.5 (1.5) |
| Mean ear lobe pressure pain (SD) | 7.5 (2.5) | 4.5 (2.5) |
| Range of finger pressure painb | 0 to 10 | 0 to 7 |
| Range of ear lobe pressure painb | 1 to 10 | 0 to 10 |
| Electronic algometry in kilopascals | ||
| Mean finger pain threshold (SD) | 156 (96) | 228 (97) |
| Mean ear lobe pain threshold (SD) | 125 (85) | 164 (72) |
| Range of finger pain thresholdb | 12 to 467 | 71 to 676 |
| Range of ear lobe pain thresholdb | 2 to 461 | 47 to 368 |
| Age, sex, pain onset, and pain localization | ||
| Mean age in years (SD) | 46 (12) | 57 (16) |
| Number of women (%) | 40 (59) | 37 (42) |
| Mean pain duration in months (SD) | 98 (114) | 35 (75) |
| Number of pain onsets before the 50th birthday (%) | 59 (87) | 40 (45) |
| Number of patients with multilocular pain (%) | 56 (82) | 33 (37) |
| Numeric analogue scales from 0 to 10 in 1/2 units | ||
| Mean intensity of musculoskeletal pain (SD) | 6.5 (2.0) | 4.0 (2.0) |
| Mean mood (SD) | 6.0 (2.5) | 4.0 (2.0) |
| Medication | ||
| Number of patients | ||
| With strong opiates (%) | 10 (15) | 14 (16) |
| With weak opiates (%)c | 12 (18) | 6 (7) |
| With nonopiate analgesics only (%) | 33 (49) | 67 (75) |
| Without analgesics (%) | 13 (19) | 2 (2) |
| Number of patients with antidepressants (%) | 58 (85) | 17 (19) |
| Number of patients with antiepileptic drugs (%) | 16 (24) | 10 (11) |
aNo missing data; bno outliers; cweak opiates = tramadol and codeine.