Table 1.

Validated patient-reported outcome measures included in the subject questionnaire

Patient-reported outcome measure	Description
Brief Pain Inventory-Short Form (BPI-SF)	An 11-item measure of pain severity (4 items: worst, least, average, current; 0–10 scale [higher scores indicate more severe pain]) and pain interference with function (7 items; 0–10 scale [higher scores indicate more interference])33
12-item Short-Form Health Survey (SF-12) (1-week recall)	A 12-item measure of health status with 8 domains and physical and mental component scores (0–100 scale [higher scores indicate better outcomes])34
EuroQol Five-Dimensions (EQ-5D), three-levels	A 5-item general health status and utility measure (−0.11 to 1.00 scale [higher scores indicate better outcomes])35
Medical Outcomes Study Sleep Scale (MOS-SS)	A 12-item measure of sleep outcomes (9 items make up the Sleep Problems Index; 0–100 scale [higher scores indicate more sleep problems])26
Hospital Anxiety and Depression Scale (HADS)	A 14-item measure of anxiety (7 items; 0–21 scale [scores 0–7 represent “normal,” 8–10 “mild,” 11–14 “moderate,” and 15–21 “severe” levels of anxiety]) and depression (7 items; 0–21 scale [scores 0–7 represent “normal,” 8–10 “mild,” 11–14 “moderate,” and 15–21 “severe” levels of depression])36,37
Work Productivity and Activity Impairment (WPAI) due to PTPS NeP	A 6-item measure used to quantify absenteeism, presenteeism and daily activity impairment customized to PTPS NeP (scores expressed as impairment percentages [higher scores indicate more productivity loss and greater impairment])38

Abbreviations: PTPS, post-traumatic/post-surgical; NeP, neuropathic pain.