Table 2

Item-wise interobserver agreement (Cohen’s kappa, asymptotic one-sided 95% CI) for 16 abstract reporting items as recommended by the Consolidated Standards of Reporting Trials statement: kappa point estimates >0.60 were considered as indicators of substantial parallel reader agreement (signed with *)

ItemKappa point and one-sided 95% CI estimates for interobserver agreementKappa >0.60
(substantial agreement)
Title0.91; ≥0.84*
Authors*
Trial design0.89; ≥0.81*
Methods
 Participants0.76; ≥0.58*
 Interventions0.79;≥0.56*
 Objectives0.74; ≥0.40*
 Definition of primary outcome0.63; ≥0.49*
 Randomisation0.55; ≥0.42
 Blinding (masking)0.81; ≥0.71*
Results
 Numbers randomised0.56; ≥0.42
 Recruitment0.51; ≥0.24
 Numbers analysed0.65; ≥0.51*
 Outcomes1.00; ≥0.99*
 Harms0.85; ≥0.76*
 Conclusions0.69; ≥0.54*
 Trial registration0.84; ≥0.72*
 Funding0.94; ≥0.87*