What do systematic reviews say?

At least 50% reduction in pain or equivalent · adults with complex regional pain syndrome type 1 (lower limb)

Patient‐reported pain: at more than 24 months · women with urinary incontinence

Patient‐reported pain: at more than 24 months · women with urinary incontinence

Intensity or severity of musculoskeletal pain · office workers

Intensity or severity of musculoskeletal pain · office workers

Pain score within 30 min of procedure · women undergoing outpatient hysteroscopy

Early postoperative pain (VAS 0 ‐ 10, 2 weeks) · People needing incisional hernia repair

Pain intensity various scales short‐term · patients with non‐specific acute and subacute low back pain

Abdominal pain frequency or change in frequency · people with Crohn's disease

Abdominal pain intensity or change in intensity · people with Crohn's disease

Abdominal pain frequency or change in frequency · people with Crohn's disease

Abdominal pain frequency or change in frequency · people with Crohn's disease

Abdominal pain intensity or change in intensity · people with Crohn's disease

Abdominal pain frequency or change in frequency · people with inflammatory bowel disease

Abdominal pain frequency or change in frequency · people with inflammatory bowel disease

Abdominal pain intensity or change in intensity · people with inflammatory bowel disease

Abdominal pain frequency or change in frequency · people with inflammatory bowel disease

Abdominal pain frequency or change in frequency · people with inflammatory bowel disease

Ear pain (otalgia) or discomfort or local irritation · chronic suppurative otitis media

Pain intensity VAS (0 to 100; 0 = no pain, 100 = worst pain) · adults with chronic pain