From: Effect of protraction facemask on the temporomandibular joint: a systematic review
 | Items | When to give stars (low risk of bias) |
---|---|---|
Selection | Representativeness of the exposed cohort | Truly or somewhat representative of the average in the community |
Selection of the control group | Drawn from the same community as the exposed cohort | |
Ascertainment of the treatment group | Secure record or structured interview | |
Demonstration that outcome of interest was not present at start of study | Yes | |
Comparability | Comparability of participants on the basis of the design or analysis | Study controls for the most important factor or any additional factor |
Outcome | Assessment of outcome | Independent blind assessment or record linkage |
Was follow-up long enough for outcomes to occur? | Yes | |
Adequacy of follow-up | Complete follow-up, or Subjects lost to follow-up unlikely to introduce bias, or small number lost follow-up, or description provided of those lost |