Description of participants	Percentage of the following baseline data reported Age Sex Weight/body mass index Ethnicity Duration of disease Measure of function status Level of pain Description of radiographic evidence of damage NSAIDs/other drugs Coexisting diseases
Intervention	Percentage of the following data describing the intervention reported
	Pharmacological Treatment Route of administration Dosage Duration of treatment Frequency of treatment Compliance of patients
	Devices Manufacturer Description of the devices Compliance of patients
	Surgery Type of anesthesia Pre-operative care Post-operative care Technical procedure Compliance of care providers
	Rehabilitation Number of sessions Timing of sessions Duration of each session Content of each session Mode of delivery Supervision or not of the session Compliance of patients
Context	Percentage of the following data related to the context reported Location of recruitment Setting of recruitment Country where the trial took place Number of centers Details of the centers (e.g., name, center resources, center expertise, center organization) Number of patients recruited in each center Details of care provider (qualification, name, experience, year of practice) Number of care providers participating