Table 2.

Selection of domains by health professionals in first (n = 165) and second (n = 116) Delphi rounds. Values are %.

DomainFirst Delphi RoundSecond Delphi Round
Must Be KeptCould Be KeptCould Be RemovedMust Be KeptMust Be Removed
Pain (duration, severity, frequency)96.41.81.8100
Swelling69.125.55.594.85.2
Stiffness58.232.79.188.811.2
Buckling18.246.135.823.376.7
Other symptoms13.947.938.225.075.0
Triggers (tiredness, activity, movement)51.535.213.378.421.6
Consequences of the symptoms (sleep, concentration, activity, need help, walking)57.635.86.795.74.3
Psychological aspects (mood, annoyance, frustration)38.246.115.867.232.8
Protective factors (rest, change of activity)47.339.413.379.320.7