Research Article

The Effectiveness of Cancer Pain Management in a Tertiary Hospital Outpatient Pain Clinic in Thailand: A Prospective Observational Study

Table 3

Pain interference rating by BPI and other symptoms’ rating per ESAS.

BL (n = 72)FU1 (n = 72)FU2 (n = 72)FU3 (n = 72) value (Friedman test)

BPI, pain interference, median (IQR)
 General activity6.0 (3.5–8.0)4.0 (0.0–7.0)4.5 (1.0–7.0)5.0 (0.0–7 .0)0.004
 Mood5.5 (2.0–8.0)5.0 (1.0–7.0)3.0 (0.0–6.5)3.0 (0.0–6.5)0.012
 Walking ability5.0 (2.5–8.0)5.0 (0.0–8.0)5.0 (0.0–8.5)5.0 (0.0–8.0)0.191
 Normal work6.0 (3.0–9.0)4.5 (0.0–9.0)5.0 (0.5–9.0)5.0 (0.0–8.0)0.407
 Relations with others4.5 (1.0–7.0)2.0 (0.0–5.0)3.0 (0.0–5.0)1.5 (0.0–4.5)0.002
 Sleep7.0 (4.0–8.0)5.0 (0.0–7.5)4.0 (0.0–7.0)2.5 (0.0–6.0)<0.001
 Enjoyment of life5.0 (2.0–8.0)5.0 (2.0–8.0)4.5 (0.5–7.5)3.5 (0.0–6.0)0.017
 BPI total score40.0 (26.0–52.0)29.5 (15.0–44.0)30.0 (14.0–46.0)26.0 (8.5–40.5)<0.001
  ESAS, symptoms, median (IQR)
  Pain4.0 (2.5–6.0)4.0 (2.0–5.5)3.0 (1.0–6.0)3.0 (1.0–5.5)<0.001
  Fatigue5.0 (2.0–6.0)5.0 (2.0–6.0)4.0 (0.0–6.0)4.5 (2.0–6.0)0.173
  Nausea0.0 (0.0–3.0)0.0 (0.0–2.0)0.0 (0.0–1.0)0.0 (0.0–1.5)0.152
  Depression0.0 (0.0–3.0)0.0 (0.0–2.0)0.0 (0.0–2.5)0.0 (0.0–2.5)0.712
  Anxiety3.0 (0.0–5.0)2.0 (0.0–3.0)1.0 (0.0–5.0)1.0 (0.0–5.0)0.204
  Drowsiness3.0 (0.5–5.0)2.0 (0.0–5.0)2.0 (0.5–4.0)2.0 (0.0–5.5)0.806
  Appetite4.0 (0.0–7.0)3.0 (0.05.0)3.0 (0.0–5.0)2.5 (0.0–5.0)0.094
  Well-being4.5 (0.0–6.5)4.0 (0.5–5.0)2.0 (0.0–5.0)3.0 (0.0–6.0)0.729
  Shortness of breath2.0 (0.0–5.0)2.0 (0.0–5.0)1.0 (0.0–4.5)1.0 (0.0–5.0)0.438
  ESAS total score27.5 (17.0–43.0)23.0 (12.0–36.0)17.5 (10.5–32.0)23.5 (10.5–36.5)0.011

at follow-up compared to baseline using Wilcoxon signed-rank test. FU: follow-up; BPI: Brief Pain Inventory; ESAS: Edmonton Symptom Assessment System.