Table 5.
Delphi study items
| Delphi Study Items | Always | Mostly | Sometimes | Never | Not known |
|---|---|---|---|---|---|
| Are you known with NLC | 30* | 40 | 20 | 0 | 10** |
| • NLC has a sudden onset | 33 | 56 | 11 | 0 | 0 |
| NLC is only present at night | 11 | 68 | 11 | 0 | 11 |
| • Pain and / or intense pain is the main characteristic | 10 | 80 | 0 | 0 | 10 |
| • NLC duration varies from seconds to 10 minutes | 10 | 80 | 0 | 0 | 10 |
| • NLC location is thigh, calf or foot | 33 | 45 | 11 | 0 | 11 |
| • After reduction of NLC there will be pain afterwards | 0 | 50 | 40 | 0 | 10 |
| • NLC might be associated with sleep disruption | 10 | 50 | 20 | 0 | 20 |
| NLC is associated with medication use / comorbidity | 0 | 11 | 67 | 0 | 22 |
| • NLC might be associated with distress | 10 | 10 | 60 | 10 | 10 |
Seven criteria differentiating NLC from RLS and PLMD. *Percentages; ** if ‘no’ excluded from these survey (n = 3)