Table 1 The Delphi list
Study population
D1Was a method of randomisation performed?
D2Was the allocation of treatment concealed?
D3Were the groups similar at baseline regarding the most important prognostic indicators (age, sex, disease duration, disease severity)?
D4Were both inclusion and exclusion criteria specified?
D5Was the outcome assessor blinded?
D6Was the care provider blinded?
D7Was the patient blinded?
D8Were point estimates and measures of variability presented for the primary outcome measures?
D9Did the analysis include an intention-to-treat analysis?
D10Is the withdrawal/drop-out rate <20% and equally distributed?