Table 3.
Correlation Between the Clinical Scale (VAS, ODI, SF-12) Scores and Degree of Sensations from the TGI According to the Pearson Correlation Coefficient in the CLBP Group
| VAS | ODI | PCS of SF-12 | MCS of SF-12 | |||||
|---|---|---|---|---|---|---|---|---|
| r | P-value | r | P-value | r | P-value | r | P-value | |
| Warmth / Heat | 0.107 | 0.394 | 0.195 | 0.117 | −0.137 | 0.271 | −0.246 | 0.046* |
| Cold | 0.167 | 0.179 | −0.232 | 0.060 | −0.057 | 0.652 | 0.015 | 0.906 |
| Unpleasantness | −0.024 | 0.845 | 0.381 | 0.002* | −0.198 | 0.110 | −0.292 | 0.017* |
| Pain | −0.028 | 0.821 | 0.161 | 0.197 | −0.210 | 0.090 | −0.292 | 0.017* |
| Burning | −0.020 | 0.875 | 0.238 | 0.054 | −0.190 | 0.123 | −0.280 | 0.023* |
| Stinging | −0.087 | 0.486 | 0.150 | 0.228 | −0.145 | 0.245 | −0.124 | 0.322 |
| Prickling | −0.074 | 0.555 | 0.263 | 0.033* | −0.075 | 0.551 | −0.060 | 0.632 |
Note: *Indicates statistical significance (P<0.05).
Abbreviations: VAS, visual analog scale; ODI, Oswestry disability index; SF-12, 12-Item Short Form Health Survey; MCS, mental component score; PCS, physical component score; CLBP, chronic lumbar back pain; TGI, thermal grill illusion.