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Table 6 Sample and Effect Sizes for Related and Current Study

From: Acupuncture and chiropractic care for chronic pain in an integrated health plan: a mixed methods study

Study Condition Treatment Assessment Scale Group size Effect size
Cherkin, 2009 [19] chronic LBP acu RMDQ 160 0.46
Cherkin, 2009 [19] chronic LBP acu bothersomeness 160 0.42
Liang, 2011 [118] chronic neck pain acu NPQ 81 0.24
Franca, 2008 [119] tension headache acu v PT VAS pain 16 2.0
Molsberger, 2010 [120] shoulder pain acu v UC VAS pain 150 1.01
Hondras, 2009 [121] LBP > 55 yrs chiro v UC RMDQ 90 0.3
Kroenke, 2009
(as reported in Krebs, 2010)[113, 114]
musculoskeletal pain Rx/self care v UC BPI-S, BPI-I 125 0.56 (BPI-S) 0.59 (BPI-I)
Current study musculoskeletal pain acu v UC BPI-S & BPI-I 200 0.5*
Current study musculoskeletal pain chiro v UC BPI-S & BPI-I 200 0.5*
  1. Note: LBP - lower back pain; acu - acupuncture; chiro - chiropractic care; LM - light massage; RMDQ - Roland Morris Disability Questionnaire; NPQ - Northwick Park Neck Pain Questionnaire; BPI-S - Brief Pain Inventory Severity Subscale; BPI-I - Brief Pain Inventory Interference Subscale; * estimated ES