Research Article

Chronic Pain in the Emergency Department: A Pilot Mixed-Methods Cross-Sectional Study Examining Patient Characteristics and Reasons for Presentations

Table 3

Descriptive statistics for all outcome measures.

Outcome measureAll 58 patients Patients with moderate or severe symptoms or above clinical cut-off
Mean (SD; 95% CI)Frequency (%)

Brief Pain Inventory (BPI)
 Average pain intensity6.8 (1.7; 6.3–7.2)46 (79.3%)1
 Average pain interference7.4 (2.2; 6.9–8.0)48 (86.2%)2
Patient Health Questionnaire-9 (PHQ-9)12.2 (7.1; 10.4–14.0)33 (56.9%)3
Generalized Anxiety Disorder-7 (GAD-7)9.1 (6.7; 7.4–10.8)25 (43.1%)4
Insomnia Severity Index-7 (ISI-7)13.3 (8.4; 11.1–15.5)25 (43.1%)5
PTSD Checklist-Civilian Version (PCL-C)33.9 (18.2; 28.4–38.1)9 (15.5%)6
Pain Catastrophizing Scale (PCS)30.1 (14.5; 25.9–33.8)30 (51.7%)7
Screener and Opioid Assessment for Patients with Pain-Revised (SOAPP-R)16.9 (11.2; 13.7–18.45)23 (39.7%)8

BPI pain intensity ratings: moderate pain cut-off = 5 (47).
2BPI Pain Interference: moderate pain interference cut-off = 5 (47).
3PHQ-9 moderate depressive symptoms cut-off = 10 (21).
4GAD-7 moderate anxiety cut-off = 10 (22).
5ISI-7 moderate to severe insomnia cut-off = 15 (24).
6PCL-C cut-off suggestive of posttraumatic stress disorder = 50 (23).
7PCS cut-off indicating high levels of pain catastrophizing = 30 (19).
8SOAPP-R cut-off indicating increased risk of aberrant medication-related behaviours = 18 (20).