|
Validity measures |
| Major criteria |
|
|
| 1. Was the assignment of patients to treatments randomized? |
| 2. Were all patients who entered the trial accounted for at its conclusion? |
| 3. Were the patients analyzed in the groups to which they were randomized? |
| Minor criteria |
|
|
| 1. Were patients and clinicians kept "blind" to which treatment was being received? |
| 2. Aside from the experimental treatment, were the groups treated equally? |
| 3. Were the groups similar at the start of the trial? |
Cardarelli et al. BMC Family Practice 2006 7:13 doi:10.1186/1471-2296-7-13 |