Table 3. Differences in selecting symptom items of the DN4 questionnaire between the NCP (N = 722) and non-NCP (N = 1,281) groups.
| DN4 Symptom items | Total | NCP | Non-NCP | Univariable | Multivariable* | |
|---|---|---|---|---|---|---|
| N = 2,003(%) | N = 722 (%) | N = 1,281 (%) | Crude OR (95% CI) | Adjusted OR (95% CI) | Pseudo R2** | |
| Burning | 312 (15.6) | 198 (63.5) | 114 (36.5) | 3.87 (3.01–4.98) | 3.86 (3.00–4.97) | 0.088 |
| Painful Cold | 450 (22.5) | 345 (76.7) | 105 (23.3) | 10.25 (8.00–13.13) | 10.51 (8.18–13.48) | 0.265 |
| Electric shocks | 1,069 (53.4) | 632 (59.1) | 437 (40.9) | 13.56 (10.57–17.40) | 13.35 (10.40–17.14) | 0.348 |
| Tingling | 1,114 (55.6) | 638 (57.3) | 476 (42.7) | 12.85 (9.96–16.56) | 12.69 (9.84–16.37) | 0.330 |
| Pins and Needles | 844 (42.1) | 471 (55.8) | 373 (44.2) | 4.57 (3.76–5.55) | 4.53 (3.72–5.51) | 0.168 |
| Numbness | 512 (25.6) | 398 (77.7) | 114 (22.3) | 12.58 (9.87–16.02) | 12.57 (9.86–16.03) | 0.318 |
| Itching | 328 (16.4) | 220 (67.1) | 108 (32.9) | 4.76 (3.70–6.13) | 4.64 (3.60–5.98) | 0.111 |
| Touch hypoesthesia | 524 (26.2) | 436 (83.2) | 88 (16.8) | 20.67 (15.89–26.88) | 20.56 (15.79–26.78) | 0.405 |
| Prick hypoesthesia | 213 (10.6) | 200 (93.9) | 13 (6.1) | 37.37 (21.13–66.09) | 36.95 (20.88–65.38) | 0.233 |
| Hyperesthesia | 238 (11.9) | 189 (79.4) | 49 (20.6) | 8.92 (6.41–12.40) | 8.75 (6.29–12.19) | 0.147 |
Chi-square tests, all statistically significant, P<0.001.
*Age- and sex-adjusted
**Negelkerke R2.
CI: Confidence interval; NCP: Neuropathic cancer pain; OR: Odds ratio.