Items | Author/year | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Sico/2017 | Brown/2020 | Boulos/2019 | Katzan/2016 | Bernardini/2021 | Zhang/2019 | Boulos/2016 | Petrie/2021 | Å iarnik/2020 | Camilo/2014 | Srijithesh/2011 | ||
Participants | Were appropriate data sources used, e.g., cohort, randomized controlled trial, or nested case–control study data? |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |
Were all inclusions and exclusions of participants appropriate? |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  | |
Predictors | Were predictors defined and assessed in a similar way for all participants? |  +  |  +  | ? |  +  |  +  | ? |  +  |  +  |  +  |  +  |  +  |
Were predictor assessments made without knowledge of outcome data? | ? |  +  | ? |  +  |  +  | ? |  +  |  +  |  +  |  +  |  +  | |
Are all predictors available at the time the model is intended to be used? |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  | |
Outcome | Was the outcome determined appropriately? |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |
Was a prespecified or standard outcome definition used? |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  | |
Were predictors excluded from the outcome definition? |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  | |
Was the outcome defined and determined in a similar way for all participants? |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  | |
Was the outcome determined without knowledge of predictor information? |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  | |
Was the time interval between predictor assessment and outcome determination appropriate? |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  | |
Analysis | Were there a reasonable number of participants with the outcome? | - | - |  +  |  +  | - | - | - |  +  |  +  | - | - |
Were continuous and categorical predictors handled appropriately? |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  | |
Were all enrolled participants included in the analysis? |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  | |
Were participants with missing data handled appropriately? |  +  | ? | ? |  +  | ? |  +  | ? | ? | ? | ? | ? | |
Was selection of predictors based on univariable analysis avoided? (Model development studies only) |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  | |
Were complexities in the data (e.g., censoring, competing risks, sampling of control participants) accounted for appropriately? |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  |  +  | |
Were relevant model performance measures evaluated appropriately? | - | - | - | - | - | - | - | - | - | - | - | |
Were model overfitting and optimism in model performance accounted for? (Model development studies only) | - | - | - | ? | - | - | - | - | - | - | - | |
Do predictors and their assigned weights in the final model correspond to the results from the reported multivariable analysis? (Model development studies only)? | - | - | - |  +  | - | - | - | - | - | - | - |