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- Title
Chronic Pain Features Relate to Quality of Life More than Physiopathology: A Cross-Sectional Evaluation in Pain Clinics.
- Authors
Pérez, Concepción; Margarit, César; Sánchez‐Magro, Isabel; Antonio, Ana; Villoria, Jesús
- Abstract
Objective To compare the impact of chronic pain physiopathology on health-related quality of life ( HR-QoL), considering the influence of pain features and psychosocial adjustment (intensity, interference, psychological comorbidities, and sleep quality). Design A cross-sectional study involving 1,025 noncancer patients with predominantly neuropathic, nociceptive, or mixed chronic pain conditions was conducted in 88 pain clinics within Spain. The EuroQol-5 Dimensions instrument ( EQ-5D) was used to measure HR-QoL. The Brief Pain Inventory ( BPI), Hospital Anxiety and Depression Scale ( HADS), and sleep scale developed for the MOS study ( MOS- SQ) were used to measure pain features and psychosocial adjustment. Multivariate analyses were used to model HR-QoL measures. Results All patients reported very low HR-QoL. The mean EQ-5D index scores were 0.33, 0.36, and 0.37 in the mixed, neuropathic, and nociceptive pain groups, respectively. The differences did not reach statistical significance ( P = 0.057). Patients with nociceptive pain had less pain (least pain intensity score: 4.7 vs. 5.2 in the other groups; P = 0.006), less interference with daily activities ( BPI average interference score: 6.3 vs. 6.6 and 6.7 in the neuropathic and mixed pain groups, respectively; P = 0.013), less anxiety ( HADS score: 8.5 vs. 9.6 and 9.7 in the same respective groups; P = 0.001), and fewer sleep problems ( MOS- SQ sleep problems index: 46.8 vs. 52.2 and 50.2 in the same respective groups; P = 0.005). In the adjusted analyses, HR-QoL measures were explained by pain intensity, anxiety, and sleep quality, but not by physiopathological pain type. Conclusions Pain features, particularly intensity, have a greater impact than pain physiopathology on HR-QoL. Distinct physiopathological mechanisms give rise to different pain features that, in turn, may mediate the HR-QoL of patients with chronic pain. This could be used to improve pain management strategies.
- Subjects
SPAIN; QUALITY of life; SLEEP; ADAPTABILITY (Personality); ANXIETY; CHRONIC pain; COMPARATIVE studies; MULTIVARIATE analysis; PSYCHOLOGICAL tests; QUESTIONNAIRES; ACTIVITIES of daily living; CROSS-sectional method; NOCICEPTIVE pain; BRIEF Pain Inventory; DISEASE complications
- Publication
Pain Practice, 2017, Vol 17, Issue 7, p866
- ISSN
1530-7085
- Publication type
Article
- DOI
10.1111/papr.12533