Table 6.
CRPS severity score-Database Form: presence of symptoms and signs of CRPS in each group.
| Symptoms | No CRPS (n = 29) | CRPS (n = 23) | Significance |
|---|---|---|---|
| NRS at time of visit (median, Q3-Q1) | 7.0 (8.0-3.0) | 7.0 (8.0-6.0) | NS |
| NRS 24 hours before visit (median, Q3-Q1) | 7.5 (8.0-6.3) | 8.0 (8.0-7.0) | NS |
| Continuing pain (n, %) | 18 (62.1) | 23 (100) | p = 0.001 |
| Allodynia and/or hyperalgesia | 27 (93.1) | 23 (100) | NS |
| Allodynia | 14 (48.3) | 17 (73.9) | NS |
| Hyperalgesia | 24 (82.8) | 23 (100) | NS |
| Temperature asymmetry | 27 (93.1) | 20 (87.0) | NS |
| Affected side warmer | 11 (37.9) | 7 (30.4) | NS |
| Affected side colder | 9 (31.0) | 5 (21.7) | NS |
| Affected side warm/cold | 7 (24.1) | 8 (34.8) | NS |
| Color asymmetry | 23 (79.3) | 23 (100) | p = 0.028 |
| Red | 14 (48.3) | 13 (56.5) | NS |
| Blue | 5 (17.2) | 8 (34.8) | NS |
| Other color | 12 (41.4) | 14 (60.9) | NS |
| Sweating asymmetry | 12 (41.4) | 14 (60.9) | NS |
| Edema | 24 (82.8) | 21 (91.3) | NS |
| Dystrophic changes | 15 (51.7) | 17 (73.9) | NS |
| Nails | 10 (34.5) | 12 (52.2) | NS |
| Hair | 8 (27.6) | 11 (47.8) | NS |
| Skin | 6 (20.7) | 10 (43.5) | NS |
| Motor abnormalities | 29 (100) | 23 (100) | N/A |
| Weakness | 25 (86.2) | 22 (95.7) | NS |
| Tremor | 15 (51.7) | 13 (56.5) | NS |
| Dystonia | 13 (44.8) | 10 (43.5) | NS |
| Decreased AROM | 20 (69.0) | 22 (95.7) | p = 0.030 |
| Myoclonus | 4 (13.8) | 9 (39.1) | NS |
| Signs | No CRPS (n = 29) | CRPS (n = 23) | Significance |
| Hyperalgesia to pinprick | 11 (37.9) | 17 (73.9) | p = 0.013 |
| Allodynia | 18 (62.1) | 22 (95.7) | p = 0.007 |
| Light touch | 6 (20.7) | 19 (82.6) | p < 0.001 |
| Deep joint pressure | 9 (31.0) | 18 (78.3) | p = 0.002 |
| Vibration | 8 (27.6) | 14 (60.9) | p = 0.021 |
| Cold | 2 (6.9) | 11 (47.8) | p = 0.002 |
| Heat | 3 (10.3) | 11 (47.8) | p = 0.004 |
| Temperature asymmetry on palpation | 2 (6.9) | 8 (34.8) | p = 0.015 |
| Affected side cooler | 1 (3.4) | 8 (34.8) | p = 0.007 |
| Affected side warmer | 1 (3.4) | 0 | NS |
| Color asymmetry | 4 (13.8) | 12 (52.2) | p = 0.006 |
| Red | 3 (10.3) | 9 (39.1) | p = 0.021 |
| Blue or pale | 3 (10.3) | 4 (17.4) | NS |
| Mottled | 0 | 4 (17.4) | N/A |
| Scar | 0 | 0 | N/A |
| Sweating asymmetry | 1 (3.4) | 6 (26.1) | p = 0.035 |
| Increased on affected side | 1 (3.4) | 6 (26.1) | p = 0.035 |
| Decreased on affected side | 0 | 0 | N/A |
| Asymmetric edema | 1 (3.4) | 6 (26.1) | p = 0.035 |
| Dystrophic changes | 4 (13.8) | 7 (30.4) | NS |
| Nails | 1 (3.4) | 5 (21.7) | NS |
| Hair | 3 (10.3) | 2 (8.7) | NS |
| Skin | 1 (3.4) | 4 (17.4) | NS |
| Motor abnormalities affected side | 20 (69.0) | 21 (91.3) | NS |
| Tremor or myoclonus | 2 (6.9) | 6 (26.1) | NS |
| Dystonia | 2 (6.9) | 7 (30.4) | NS |
| Decreased AROM | 16 (55.2) | 17 (73.9) | NS |
| Weakness 1/5∗1 | 0 | 3 (13.0) | N/A |
| Weakness 2/5∗2 | 0 | 5 (21.7) | N/A |
| Weakness 3/5∗3 | 4 (13.8) | 5 (21.7) | NS |
| Weakness 4/5∗4 | 12 (41.4) | 7 (30.4) | NS |
| CRPS severity score (mean, sd) | 8.1 (1.9) | 11.4 (2.2) | p <0.001 |
∗ 1Weakness 1/5: flicker of movement. ∗2Weakness 2/5: movement with gravity. ∗3Weakness 3/5: movement against gravity. ∗4Weakness 4/5: weak.