Table 4. Characteristics of neuropathic pain only in NCP patients in the presence or absence of the clinical predictors of NCP†.
| Total | Age (years) (N = 722) | Cancer duration (months) (N = 722) | Cancer stage (N = 657) | Chemotherapy (N = 722) | Pain VAS (N = 722) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| <65 (N = 489) | ≥65 (N = 233) | P-value | ≥6 (N = 579) | <6 (N = 143) | P-value | I–III (N = 163) | IV (N = 494) | P-value | Yes (N = 668) | No (N = 54) | P-value | ≥4 (N = 497) | <4 (N = 225) | P-value | |
| Burning | 128 (64.6) | 70 (35.4) | 0.317 | 156 (78.8) | 42 (21.2) | 0.633 | 41 (22.3) | 143 (77.7) | 0.404 | 180 (90.9) | 18 (9.1) | 0.393 | 146 (73.7) | 52 (26.3) | 0.097 |
| Painful cold | 229 (66.4) | 116 (33.6) | 0.507 | 272 (78.8) | 73 (21.2) | 0.436 | 74 (23.7) | 238 (76.3) | 0.599 | 318 (92.2) | 27 (7.8) | 0.844 | 266 (77.1) | 79 (22.9) | <0.001 |
| Electric shocks | 420 (66.5) | 212 (33.5) | 0.069 | 510 (80.7) | 122 (19.3) | 0.450 | 143 (25.0) | 430 (75.0) | 0.927 | 587 (92.9) | 45 (7.1) | 0.449 | 439 (69.5) | 193 (30.5) | 0.401 |
| Tingling | 437 (68.5) | 201 (31.5) | 0.276 | 520 (81.5) | 118 (18.5) | 0.022 | 146 (25.0) | 438 (75.0) | 0.861 | 591 (92.6) | 47 (7.4) | 0.924 | 439 (68.8) | 199 (31.2) | 1.000 |
| Pins and needles | 314 (66.7) | 157 (33.3) | 0.452 | 373 (79.2) | 98 (20.8) | 0.409 | 108 (24.9) | 325 (75.1) | 0.989 | 432 (91.7) | 39 (8.3) | 0.331 | 345 (73.2) | 126 (26.8) | 0.001 |
| Numbness | 271 (68.1) | 127 (31.9) | 0.88 | 331 (83.2) | 67 (16.8) | 0.033 | 95 (26.2) | 268 (73.8) | 0.420 | 367 (92.2) | 31 (7.8) | 0.835 | 275 (69.1) | 123 (30.9) | 0.932 |
| Itching | 154 (70.0) | 66 (30.0) | 0.437 | 176 (80.0) | 44 (20.0) | 1.000 | 55 (26.6) | 152 (73.4) | 0.541 | 206 (93.6) | 14 (6.4) | 0.548 | 147 (66.8) | 73 (33.2) | 0.492 |
| Touch hypoesthesia | 299 (68.6) | 137 (31.4) | 0.602 | 362 (83.0) | 74 (17.0) | 0.024 | 102 (25.6) | 296 (74.4) | 0.610 | 409 (93.8) | 27 (6.2) | 0.139 | 291 (66.7) | 145 (33.3) | 0.156 |
| Prick hypoesthesia | 136 (68.0) | 64 (32.0) | 0.994 | 166 (83.0) | 34 (17.0) | 0.286 | 52 (28.0) | 134 (72.0) | 0.283 | 187 (93.5) | 13 (6.5) | 0.645 | 138 (69.0) | 62 (31.0) | 1.000 |
| Hyperesthesia | 141 (74.6) | 48 (25.4) | 0.024 | 155 (82.0) | 34 (18.0) | 0.533 | 37 (22.3) | 129 (77.7) | 0.444 | 173 (91.5) | 16 (8.5) | 0.661 | 135 (71.4) | 54 (28.6) | 0.421 |
χ2 test
†Multiple-choice response.
NCP: Neuropathic cancer pain; VAS: Visual analog scale.