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


* Data provided on request

Bernardy et al. BMC Musculoskeletal Disorders 2011 12:133   doi:10.1186/1471-2474-12-133

Open Data