Table 2 JADAD scale
From: Melatonin as a treatment for migraine sufferers: a systematic review
JADAD scale | Gelfand et al. [22] | Gelfand et al. [29] | Ebrahimi-Monfared et al. [30] | Gonçalves et al. [1] | Alstadhaug et al. [31] |
|---|---|---|---|---|---|
Was the study described as random? | 1 | 1 | 1 | 1 | 1 |
Was the randomization scheme described and appropriate? | 1 | 1 | 1 | 1 | 1 |
Was the study described as double-blind? | 0 | 1 | 1 | 1 | 1 |
Was the method of double blinding appropriate? (were both the patient and the assessor appropriately blinded?) | 0 | 0 | 1 | 1 | 0 |
Was there a description of dropouts and withdrawals? | 1 | 1 | 1 | 1 | 0 |
Total score | 3/5 | 3/5 | 5/5 | 5/5 | 3/5 |