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Table 2 Blinding of each researcher during trial.

From: The PRICE study (Protection Rest Ice Compression Elevation): design of a randomised controlled trial comparing standard versus cryokinetic ice applications in the management of acute ankle sprain [ISRCTN13903946]

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

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