primary outcome measure

primary outcome measure

(1) The specific key measurement(s) or observation(s) used to measure the effect of experimental variables in a study, or for observational studies, to describe patterns of diseases or traits or associations with exposures, risk factors or treatment.
(2) The outcome measure or measures in a clinical trial which have the greatest or most desirable therapeutic effect.
References in periodicals archive ?
The primary outcome measure of the trial was mean change from baseline in the monthly average number of migraine days during the 12-week treatment period following the first dose.
The primary outcome measure is the ALSFRS score responder analysis.
The primary outcome measure will be the ALSFR-S score responder analysis.
The primary outcome measure was overall improvement in symptoms of autism spectrum disorder, as measured by the Clinical Global Impressions-Improvement (CGI-I) score, with 1 = very much improved; 2 = much improved; 3 = minimal improvement; 4 = no change; and 7 = very much worse.
The primary outcome measure of the study was the absolute change in serum uric acid levels from baseline to the end of 24 weeks of treatment.
The primary outcome measure, abstinence at 4 weeks, was achieved by 49% of the abrupt-cessation group, vs.
The primary outcome measure was the average length of job tenure for workers hired at a specific location at a specific time.
The primary outcome measure --spontaneous delivery before 34 weeks' gestation--occurred in 55 women (12.0%) who received pessaries and 50 (10.8%) in the control group.
6.2 months, hazard ratio, 0.51; P less than .001); PFS was the primary outcome measure.
The primary outcome measure for the study was the proportion of participants with a poor outcome defined as death or major disability.
The primary outcome measure was the incidence of ischaemic heart disease in the intervention group compared with that in the control group.