Table 4 The weighted prevalence of FOG in Parkinson’s disease patients and the heterogeneities
Prevalence of FOG | Number of studies | Total no. PD patients | Range of the prevalence of FOG, % | Mean prevalence of FOG (95% CI) ,% | Heterogeneity, % (P value) |
|---|---|---|---|---|---|
In general PD patients | 22 | 5361 | 14.0-56.8 | 39.9 (35.3-44.5) | 91.5% (< 0.001) |
According to FOG-Q item 3 | 13 | 2559 | 22.4-56.8 | 43.8 (38.5-49.1) | 85.9% (< 0.001) |
According to UPDRS item 14 | 3 | 1820 | 27.2-41.5 | 36.0 (29.0-43.1) | 89.1% (< 0.001) |
According to other criteria | 6 | 982 | 14.0-49.4 | 34.1 (22.8-45.4) | 93.3% (< 0.001) |
In PD patients with objectively or subjectively diagnostic criteria | |||||
Objectively | 19 | 4887 | 14.0-56.8 | 40.2(35.1-45.2) | 92.2% (< 0.001) |
Subjectively | 3 | 474 | 26.5-49.4 | 38.4(25.2-51.6) | 88.8% (< 0.001) |
In PD patients with different disease durations | |||||
< 5 years | 6 | 1139 | 4.4-36.1 | 22.4 (12.8-31.9) | 93.9% (< 0.001) |
≥ 5 years | 7 | 1246 | 34.8-65.8 | 53.3 (45.8-60.8) | 84.1% (< 0.001) |
≥ 10 years | 6 | 709 | 59.1-86.5 | 70.8 (60.8-80.9) | 88.2% (< 0.001) |
In PD patients with different H&Y stagings | |||||
≤ 2.5 | 7 | 2229 | 7.1-37.0 | 28.4 (15.7-41.1) | 97.9% (< 0.001) |
> 2.5 | 7 | 829 | 60.0-82.9 | 68.4 (58.7-78.2) | 88.4% (< 0.001) |