Table 2. Participant characteristics.
| Patients | Freezers | Non-freezers | Controls | Group differences | |
| N | 20 | 9 | 11 | 9 | – |
| Age | 63.3 (8.35) | 61.27 (4.84) | 64.97 (10.34) | 64.67 (5.24) | 0.33 |
| Women (%) | 30 | 11 | 46 | 22 | 0.69 |
| Disease duration (years) | 5.21 (3.11) | 6.81 (3.77) | 4.05 (2) | – | 0.18 |
| H&Y stage (1 |2|3) | 3 | 15 | 3 | 1 | 6 | 3 | 2 | 9 | 0 | – | 0.27 |
| UPDRS III | 27.55 (10.44) | 31.33 (12.05) | 24.45 (8.20) | – | 0.65† |
| Left clinical asymmetry (%) | 65 | 44 | 82 | – | 0.08 |
| Clinical asymmetry score | 6.3 (3.9) | 7.4 (4.4) | 5.7 (3.5) | – | 0.35 |
| FAB | 16 (2.46) | 15.44 (2.07) | 15.64 (2.84) | – | 0.99 |
| NFoG-Q (max 24) | – | 12.78 (3.99) | 0 (0) | – | <0.0001 |
Data reflect means (standard deviation between brackets). N; number of subjects, NS; not significant, UPDRS; Unified Parkinson’s Disease Rating Scale, L: Left side most affected H&Y Hoehn & Yahr, FAB; Frontal Assessment Battery. NFoG-Q; new freezing of gait questionnaire.
†
Mann-Whitney U test.
Patients were assessed during the OFF state. There were no significant differences between patients and controls, or between freezers and non-freezers.