The study, a large trial, found that surgery appeared to relieve pain more quickly but that most people recovered eventually and that there was no harm in waiting.
For the second time in just over a year, a clinical trial found that LDL reduction did not translate into measurable medical benefits.
A cohort study of 655 patients from a randomised trial found that AF symptoms are a negative predictor for patients' physical capacity, 16 and in the presence of AF, patients do fewer physical activities.
Last week, a clinical trial found that soy worked no better than a placebo for hot flashes and had no effect on bone density.
A study of physician investigators' decisions about whether to continue a clinical trial found that the method of displaying the data significantly influenced the accuracy of their decisions [ 12].
Kozo, in a study of 33 patients enrolled in the placebo arm of a therapeutic trial found that polyp size increased about 5% per year but with wide variation[ 13].
A clinical trial found that adding Avastin to the drug paclitaxel nearly doubled the time before tumors worsened.
In India, for example, researchers using a controlled trial found that installing cameras in classrooms reduced teacher absenteeism at rural schools.
A recent trial found that "brain shrinkage", which has been associated with Alzheimer's, was slowed in older people taking high doses of vitamins, including B12.
The recent Canadian study, involving 90,000 women followed over 25 years in a randomized trial, found that efforts to find breast cancers before they could be felt as a lump in the breast, using screening mammography, did not lead to lower death rates for average-risk women in their 40s and 50s.
