Sentences with phrase «opaque sealed envelopes»

Participants were randomized using sequentially numbered opaque sealed envelopes, generated by the study's biostatistician.

The randomization sequence was provided by the study statistician in an opaque sealed envelope to the study pharmacists.

The participants were randomly allocated to the IG or CG by using a computer sequence generator.28 Group affiliation and study number were placed in an opaque sealed envelope.

Not exact matches

low risk of bias (e.g. telephone or central randomisation; consecutively numbered sealed opaque envelopes);

Paper stated «Women were asked to select an envelope from a group of at least 6 sealed, opaque envelopes, replenished in blocks of 12.

Random allocation was concealed by sequentially numbered, sealed, opaque envelopes containing the group allocation.

After participants had given informed consent, the group was determined using opaque, sealed envelopes containing assignments generated by random table number.

After consent and the collection of baseline data, randomisation was undertaken using sequentially numbered sealed opaque envelopes (fig 1).

The allocation sequence will be concealed from the research staff assessing the primary outcomes in sequentially numbered, opaque, sealed envelopes.