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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