Data items | Associated questions |

Minimal clinical data set | What is the name of the minimal clinical data set? |

RQ1: What are the general characteristics of the minimal clinical data sets? | |

MSK disorder | For what MSK disorder(s) was the minimal clinical data set developed? |

Setting | For what setting was the minimal clinical data set mainly developed? (eg, practice setting, outpatient hospital setting, research setting). If it was mainly developed for research settings, what information is provided for a use in real-world primary healthcare and outpatient clinical practice settings? |

Data provider | Who provides the data? (eg, patient fills in questionnaire, healthcare provider fills in data, extraction from electronic patient record) |

Health domains | Which health and health-related domains of the International Classification of Functioning, Disability and Health23 does the minimal data set cover? |

Measurement tools | What specific questionnaires or measurement tools does the minimal clinical data set contain? |

Number of items | How many items does the minimal clinical data set cover? |

Item scoring | How are the items scored? (ie, nominal, categorical, ordinal) |

Time | How long does the minimal clinical data set take to be completed? |

Language | For which languages is the minimal clinical data set available, and for which languages has the minimal clinical data set been linguistically validated? |

Availability | How is the minimal clinical data set available? |

RQ2: How was the minimal clinical data set defined? | |

Definition | What was the definition of the minimal clinical data set? |

RQ 3: How were the minimal clinical data sets developed and was there any stakeholder involvement during that process? | |

Methods | How was the minimal clinical data set developed? |

Stakeholder participants | Were stakeholders (eg, patients, researchers, the public) involved in the development of the minimal clinical data set? If healthcare providers were involved, what was their profession? |

Stakeholder involvement | How and to what extent were the stakeholders involved in the development of the minimal clinical data set? |

RQ 4: What information is available on psychometric properties, implementation, acceptability and usability for the minimal clinical data sets? | |

Reliability | What information is available on the reliability of the minimal clinical data set? (eg, testâ€“retest reliability, inter-rater reliability, measurement error) |

Internal consistency | What information is available on the internal consistency of the minimal clinical data set? |

Validation | What information is available on the degree to which the minimal clinical data set measures the constructs it purposes to measure? (eg, content validity, construct validity, cross-cultural validity) |

Responsiveness | What information is available on the ability of the minimal clinical data set to detect change over time? |

Interpretability | What information is available on the degree to which one can assign a qualitative meaning on the quantitative score of the minimal clinical data set? |

Implementation | What information is available on the implementation of the minimal clinical data set? |

Acceptability | What information is available on the extent to which people delivering or receiving the minimal clinical data set consider it to be appropriate? |

Usability | What information is available on the usability of the minimal clinical data set? |

RQ 5: If the minimal clinical was primarily designed for clinical research, what information is available for the use in routine, real-world primary and outpatient healthcare settings? |

MSK, musculoskeletal.