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Table 3 Method quality.

From: Does targeting manual therapy and/or exercise improve patient outcomes in nonspecific low back pain? A systematic review

 

Method criteria

  
 

Randomization

Concealed allocation

Baseline equivalence

Patient blinding

Clinical blinding

Outcome blinding

Co-interventions

Compliance

Dropouts

Outcome

timing

Intention

to treat

Score

High quality*

Brennan 2006[18]

√

√

X

√

√

√

?

X

X

√

√

7

Yes

Childs 2004[19]

√

√

√

√

√

√

X

?

√

√

√

9

Yes

Hancock 2008[26]

√

√

√

√

X

√

√

√

√

√

√

10

Yes

Long 2004[21]

√

√

√

X

X

√

√

X

√

?

√

7

Yes

  1. *Quality of trials: high quality defined as a trial that obtains, at a minimum, a 'yes' score for randomization, concealed allocation, blinded outcome assessment and a yes' score for any three of the other method quality criteria.
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BMC Medicine

ISSN: 1741-7015

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