Table VI.
Results of logistic regression analyzing physical experiences of pain (as described by patients) and other clinical and demographic predictors.
| OR | 95%CI for Exp (B) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| B | Std Error | Wald | df | Sig. | Exp (B) | Lower bound | Upper bound | ||
| Dull pain | UPDRS | −0.087 | 0.044 | 3.937 | 1 | 0.047* | 0.917 | 0.842 | 0.999 |
| Constant | 0.102 | 1.051 | 0.009 | 1 | 0.922 | 1.108 | -- | -- | |
| Dis. dur. | −0.499 | 0.236 | 4.486 | 1 | 0.034* | 0.607 | 0.382 | 0.963 | |
| Age diag. | −0.032 | 0.032 | 0.994 | 1 | 0.319 | 0.969 | 0.911 | 1.031 | |
| H&Y | 1.122 | 0.659 | 2.901 | 1 | 0.089 | 3.071 | 0.844 | 11.168 | |
| UPDRS | −0.078 | 0.054 | 2.097 | 1 | 0.148 | 0.925 | 0.832 | 1.028 | |
| Gender | 0.457 | 0.763 | 0.358 | 1 | 0.550 | 1.579 | 0.354 | 7.046 | |
| Constant | −0.182 | 2.112 | 0.007 | 1 | 0.931 | 0.833 | -- | -- | |
| Dystonic | −0.793 | 0.888 | 0.797 | 1 | 0.372 | 0.452 | 0.079 | 2.581 | |
| Pares./neuro. | 0.039 | 0.761 | 0.003 | 1 | 0.959 | 1.040 | 0.234 | 4.616 | |
| Akathisia | 0.012 | 0.761 | 0.000 | 1 | 0.988 | 1.012 | 0.228 | 4.496 | |
| Musculosk. | −0.259 | 1.135 | 0.052 | 1 | 0.819 | 0.772 | 0.083 | 7.138 | |
| Constant | −1.491 | 1.653 | 0.814 | 1 | 0.367 | 0.225 | -- | -- | |
| Sharp pain | Dystonic | −0.645 | 0.690 | 0.872 | 1 | 0.350 | 0.525 | 0.136 | 2.031 |
| Pares./neuro. | 1.716 | 0.846 | 4.113 | 1 | 0.043* | 5.561 | 1.059 | 29.197 | |
| Akathisia | 0.587 | 0.698 | 0.709 | 1 | 0.400 | 1.799 | 0.458 | 7.062 | |
| Musculosk. | 0.399 | 1.095 | 0.132 | 1 | 0.716 | 1.490 | 0.174 | 12.742 | |
| Constant | −2.632 | 0.911 | 8.346 | 1 | 0.004* | 0.072 | -- | -- | |
| Dis. dur. | −0.326 | 0.175 | 3.458 | 1 | 0.063 | 0.722 | 0.512 | 1.018 | |
| Age diag. | −0.037 | 0.028 | 1.804 | 1 | 0.179 | 0.963 | 0.912 | 1.017 | |
| H&Y | −0.192 | 0.572 | 0.113 | 1 | 0.737 | 0.825 | 0.269 | 2.532 | |
| UPDRS | 0.008 | 0.041 | 0.040 | 1 | 0.842 | 1.008 | 0.930 | 1.093 | |
| Gender | −0.356 | 0.608 | 0.342 | 1 | 0.558 | 0.700 | 0.213 | 2.308 | |
| Constant | 2.047 | 1.899 | 1.162 | 1 | 0.281 | 7.743 | -- | -- | |
| Muscle tension pain | Dystonic | −1.319 | 0.576 | 5.250 | 1 | 0.022* | 0.267 | 0.086 | 0.826 |
| Constant | −1.041 | 0.336 | 9.620 | 1 | 0.002* | 0.353 | -- | -- | |
| Dis. dur. | −0.116 | 0.123 | 0.884 | 1 | 0.347 | 0.891 | 0.700 | 1.134 | |
| Age diag. | −0.026 | 0.026 | 0.994 | 1 | 0.319 | 0.974 | 0.926 | 1.025 | |
| H&Y | −0.445 | 0.546 | 0.665 | 1 | 0.415 | 0.641 | 0.220 | 1.868 | |
| UPDRS | −0.001 | 0.039 | 0.001 | 1 | 0.972 | 0.999 | 0.926 | 1.077 | |
| Gender | 0.248 | 0.598 | 0.171 | 1 | 0.679 | 1.281 | 0.397 | 4.139 | |
| Constant | 1.459 | 1.820 | 0.642 | 1 | 0.423 | 4.301 | -- | -- | |
| Dystonic | −1.402 | 0.754 | 3.460 | 1 | 0.063 | 0.246 | 0.056 | 1.078 | |
| Pares./neuro. | −0.933 | 0.647 | 2.080 | 1 | 0.149 | 0.393 | 0.111 | 1.398 | |
| Akathisia | 0.091 | 0.645 | 0.020 | 1 | 0.888 | 1.095 | 0.309 | 3.877 | |
| Musculosk. | −0.130 | 1.112 | 0.014 | 1 | 0.907 | 0.878 | 0.099 | 7.762 | |
| Constant | −0.430 | 1.443 | 0.089 | 1 | 0.766 | 0.650 | -- | -- | |
| Aching pain | Dystonic | −1.302 | 0.626 | 4.330 | 1 | 0.037* | 0.272 | 0.080 | 0.927 |
| Pares./neuro. | 0.389 | 0.551 | 0.497 | 1 | 0.481 | 1.475 | 0.501 | 4.343 | |
| Akathisia | −1.150 | 0.573 | 4.024 | 1 | 0.045* | 0.317 | 0.103 | 0.974 | |
| Musculosk. | −1.478 | 0.770 | 3.681 | 1 | 0.055 | 0.228 | 0.050 | 1.032 | |
| Radicular | −0.974 | 1.034 | 0.887 | 1 | 0.346 | 0.378 | 0.050 | 2.866 | |
| Constant | 2.843 | 1.611 | 3.114 | 1 | 0.078 | 17.17 | -- | -- | |
| Dis. dur. | 0.074 | 0.081 | 0.818 | 1 | 0.366 | 1.076 | 0.918 | 1.262 | |
| Age diag. | 0.020 | 0.021 | 0.961 | 1 | 0.327 | 1.021 | 0.980 | 1.063 | |
| H&Y | 0.190 | 0.388 | 0.240 | 1 | 0.624 | 1.209 | 0.566 | 2.586 | |
| UPDRS | −0.035 | 0.031 | 1.256 | 1 | 0.262 | 0.966 | 0.909 | 1.026 | |
| Gender | −0.243 | 0.431 | 0.319 | 1 | 0.572 | 0.784 | 0.337 | 1.825 | |
| Constant | −1.451 | 1.452 | 0.999 | 1 | 0.317 | 0.234 | -- | -- | |
| Sharp pain | 1.710 | 0.794 | 4.636 | 1 | 0.031* | 5.529 | 1.166 | 2.220 | |
| Deep pain | Dis. dur. | −0.191 | 0.163 | 1.370 | 1 | 0.242 | 0.826 | 0.601 | 1.137 |
| Age diag. | −0.007 | 0.031 | 0.050 | 1 | 0.823 | 0.993 | 0.934 | 1.056 | |
| H&Y | 0.252 | 0.574 | 0.193 | 1 | 0.660 | 1.287 | 0.418 | 3.961 | |
| UPDRS | 0.013 | 0.045 | 0.086 | 1 | 0.770 | 1.013 | 0.928 | 1.106 | |
| Gender | −0.386 | 0.643 | 0.361 | 1 | 0.548 | 0.680 | 0.193 | 2.398 | |
| Constant | −1.835 | 2.086 | 0.774 | 1 | 0.379 | 0.160 | -- | -- | |
| Dystonic | −0.571 | 0.789 | 0.524 | 1 | 0.469 | 0.565 | 0.120 | 2.652 | |
| Pares./neuro. | −0.949 | 0.800 | 1.408 | 1 | 0.235 | 0.387 | 0.081 | 1.857 | |
| Akathisia | 0.902 | 0.749 | 1.449 | 1 | 0.229 | 2.463 | 0.568 | 10.689 | |
| Musculosk. | −0.644 | 1.058 | 0.371 | 1 | 0.542 | 0.525 | 0.066 | 4.175 | |
| Constant | −1.589 | 0.866 | 3.366 | 1 | 0.067 | 0.204 | -- | -- | |
Abbreviations: UPDRS=score on UPDRS-III, the motor section of the Unified Parkinson’s Disease Rating Scale; Dis. dur.=duration of PD; Age diag.=age at PD diagnosis; H&Y=Hoehn and Yahr stage of PD; Pares./neuro.= paresthesia/neuropathic pain; Musculosk.=musculoskeletal pain; Radicular=radicular pain.
*
significant values (p=0.05)