An open prospective randomised trial to reduce the pain of blood glucose testing: ear versus thumbBMJ 2000; 321 doi: https://doi.org/10.1136/bmj.321.7252.20 (Published 01 July 2000) Cite this as: BMJ 2000;321:20
Patients were recruited to the trial at times when a middle grade or consultant in emergency medicine was available in the department. All patients in whom a blood glucose test was requested during these times were eligible.
Treatment allocations were prepared in a series of sealed opaque envelopes.
An a priori power calculation suggested that about 30 patients would be required in each treatment group to achieve a 90% power of detecting a 20 mm difference on the visual analogue scale between groups.
Characteristic Ear group
Significance Mean age (years) 52 54 P=0.88 Diabetic 5 7 P=0.52 Male 17 13 P=0.79 Previous test 13 19 P=0.12
Values are numbers of participants, unless stated otherwise
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