Table 4 Methodological quality of studies with guided imagery/hypnosis in FMS
Author (Reference) | Alvarez[23] | Castel[24] | Grøndhal[25] | Haa-nen[26] | Men-ziers[27] | Rucco[28] |
|---|---|---|---|---|---|---|
Sample criteria | Adequate (1) | Adequate (1) | Adequate (1) | Adequate (1) | Adequate (1) | Inadequate (0) |
Evidence that sample criteria were met | Adequate (1) | Adequate (1) | Inadequate (0) | Adequate (1) | Adequate (1) | Inadequate (0) |
Report of attrition | Adequate (2) | Partial (1) | Adequate (2) | Adequate (2) | Adequate (2) | Partial (1) |
Rates of attrition | Adequate (1) | Adequate (1) | Adequate (1) | Adequate (1) | Adequate (1) | Adequate (1) |
Sample characteristics | Adequate (1) | Adequate (1) | Inadequate (0) | Adequate (1) | Adequate (1) | Adequate (1) |
Group equivalence | Adequate (1) | Inadequate (0) | Inadequate (0) | Adequate (1) | Adequate (1) | Adequate (1) |
Adequacy of randomisation | Adequate (2)* | Inadequate (0) | Adequate (2)* | Inadequate (0) | Inadequate (0) | Inadequate (0) |
Concelament of treatment allocation | Adequate (1)* | Inadequate (0) | Adequate (1)* | Inadequate (0) | Inadequate (0) | Inadequate (0) |
Blinding of assessor | Adequate (1)* | Inadequate (0) | Adequate (1)* | Inadequate (0) | Inadequate (0) | Inadequate (0) |
Treat-ment expectations | Inadequate (0) | Inadequate (0) | Inadequate (0) | Inadequate (0) | Inadequate (0) | Inadequate (0) |
Justifications of outcomes | Adequate (1) | Adequate (1) | Adequate (1) | Adequate (1) | Adequate (1) | Adequate (1) |
Validity of outcomes for context | Adequate (2) | Adequate (2) | Adequate (2) | Adequate (2) | Adequate (2) | Adequate (2) |
Reliability and sensitivity to change of outcomes | Adequate (2) | Adequate (2) | Adequate (2) | Adequate (2) | Adequate (2) | Adequate (2) |
Follow up of at least 6 months | Inadequate (0) | Inadequate (0) | Inadequate (0) | Inadequate (0) | Inadequate (0) | Inadequate (0) |
Power calculation | Inadequate (0) | Inadequate (0) | Inadequate (0) | Inadequate (0) | Inadequate (0) | Inadequate (0) |
Sufficient sample size | Inadequate (0) | Adequate (1) | Inadequate (0) | Adequate (1) | Adequate (1) | Adequate (1) |
Adequate data analysis | Adequate (1) | Adequate (1) | Adequate (1) | Adequate (1) | Adequate (1) | Adequate (1) |
Adequate reporting of summary statistics | Adequate (1) | Adequate (1) | Adequate (1)* | Adequate (1) | Adequate (1) | Inadequate (0) |
Intention to treat analysis | Inadequate (0) | Inadequate (0) | Inadequate (0) | Adequate (1) | Inadequate (0) | Inadequate (0) |
Control group | Adequate (2) | Adequate (2) | Adequate (2) | Adequate (2) | Adequate (2) | Inadequate (0) |
Sum | 20 | 14 | 17 | 17 | 16 | 10 |