Retrospective 167 multiple myeloma patients in Spain.
Martinez-Lopez et al., 6/30/2020, retrospective, Spain, Europe, peer-reviewed, median age 71.0, 25 authors.
risk of death, 33.0% lower, RR 0.67, p = 0.20, treatment 47 of 148 (31.8%), control 9 of 19 (47.4%).
Effect extraction follows pre-specified rules
prioritizing more serious outcomes. For an individual study the most serious
outcome may have a smaller number of events and lower statistical signficance,
however this provides the strongest evidence for the most serious outcomes
when combining the results of many trials.