Table 2

Blinding of each researcher during trial.

Researcher

Role

Blinding status


RP1

Recruitment, assessment, randomisation and treatment

Unblinded

BA

All baseline and follow-up recording of function, pain, swelling and activity levels (outcome measures i, ii, iii, iv)

Blinded to group allocation

RP2

US images (outcome measure v)

Blinded to group allocation

IR

Interpretation of US images (outcome measure v)

Blinded to group allocation


RP = Research Physiotherapist. BA = Blinded Assessor. US = Ultrasound. IR = Independent Researcher.

Bleakley et al. BMC Musculoskeletal Disorders 2007 8:125   doi:10.1186/1471-2474-8-125

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