Table 3.
Multivariate analysis of the factors associated with pain intensity
| Variables | CNP (N=46) | PNP (N=159) | ||||||
|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| Coefficient (TE) |
t | p-value | 95% CI | Coefficient (TE) |
t | p-value | 95% CI | |
| Constant | 9.64 (1.1) | 8.77 | <0.001 | (7.42; 11.86) | 7.97 (0.8) | 10.32 | <0.001 | (6.45; 9.50) |
| Type of contact | ||||||||
| Follow-up | −1.59 (0.5) | −2.99 | 0.005 | (−2.67; −0.52) | −0.74 (0.4) | −2.03 | 0.045 | (−1.46; −0.02) |
| Initial* | ||||||||
| Current state ofhealth; EQ-5D score | −0.02 (0.1) | −1.55 | 0.130 | (0.01; 0.99) | −0.01 (0.0) | −1.92 | 0.057 | (−0.03;0.00) |
| Pain location upper | ||||||||
| limbs | ||||||||
| Yes | −1.13 (0.5) | −2.32 | 0.025 | (−2.10; −0.15) | These variables were not included in this model | |||
| No* | ||||||||
| Pain location lower limbs | ||||||||
| Yes | 1.09 (0.5) | 2.305 | 0.026 | (0.14; 2.05) | ||||
| No* | ||||||||
| Depression | ||||||||
| Yes | These variables were not included in this model | 0.67 (0.3) | 2.16 | 0.032 | (0.06; 1.27) | |||
| No* | ||||||||
| Sleep disorders | ||||||||
| Yes | 0.83 (0.3) | 2.76 | 0.006 | (0.24; 1.43) | ||||
| No* | ||||||||
| Duration of pain | −0.07(0.0) | −2.45 | 0.014 | (−0.12; −0.01) | ||||
| R2 corrected=0.264 | R2 corrected=0.133 | |||||||
Notes:
*
Reference category. The self-perceived health status was included in the model as a confounding variable.
Abbreviations: CNP, central neuropathic pain; EQ-5D, EuroQol-5 Dimensions; PNP, peripheral neuropathic pain.