Table 5.
Frequencies of sensory gain and loss in CRPS based on QST
| Study | CDT | WDT | TSL | CPT | HPT | PPT | MPT | MPS | WUR | MDT | VDT | PHS | DMA | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maier et al. [69] | Gain | 2.7% | 2.5% | 2.7% | 30.5% | 40.1% | 66.3% | 28.7% | 46.6% | 13.1% | 9.5% | 1.5% | 9.4% | 24.1% |
| Loss | 32.5% | 26.6% | 26.9% | 5.2% | 7.7% | 3.3% | 10% | 6.2% | 2.7% | 35.2% | 35.4% | – | – | |
| Gierthmühlen[15] | Gain | 3.2% | 2.1% | 3.1% | 31.7% | 43.7% | 66.6% | 28.8% | 42.8% | 14.6% | 11.3% | 1.7% | 6.4% | 23.9% |
| Loss | 29.6% | 24.9% | 24% | 3.7% | 6.4% | 3.5% | 8.9% | 9.2% | 2.3% | 30.9% | 32.5% | – | – | |
| Reimer [14] | Gain | 0% | 0% | 5.3% | 36.8% | 36.8% | 100% | 5.3% | 42.1% | 5.3% | 5.3% | 5.3% | 5.3% | 26.3% |
| Loss | 31.6% | 26.3% | 26.3% | 10.5% | 5.3% | 0% | 5.3% | 5.3% | 6.7% | 31.6% | 42.1% | – | – | |
| Kemler, [44] | Gain | 0% | 0% | – | 77% | 63% | 85% | – | – | – | 0% | – | – | – |
| Loss | 36% | 27% | – | 0% | 0% | 0% | – | – | – | 74% | – | – | – | |
| Dietz et al. [65] | Gain | 8% | 6.5% | 5% | 50% | 43% | 37% | 60% | 44% | 19% | 19.5% | – | 9.5% | 18% |
| Loss | 46% | 42% | 50% | 30% | 22.5% | 25% | 17.5% | 13.5% | 14.3% | 64% | 59.5% | – | – | |
| Kumowski, [53] | Gain | – | – | – | 17% | 22% | – | 33% | – | – | – | – | – | – |
| Loss | 25% | 21% | 33% | – | – | – | – | – | – | – | – | – | – |
CRPS complex regional pain syndrome, CDT cold detection threshold, CPT cold pain threshold, DMA dynamic mechanical allodynia, HPT heat pain threshold, MDT mechanical detection threshold, MPS mechanical pain sensitivity, MPT mechanical pain threshold; PHS, paradoxical heat sensation, PPT pressure pain threshold, QST quantitative sensory testing; TSL, thermal sensory limen, VDT, vibration detection threshold; WDT, warm detection threshold; WUR, wind-up ratio