Table 1.
Cross-sectional study assessing the prevalence of RLS/WED in PD patients and general population.
| Article | Sample country | % RLS/WED in PD patients (n°) | % RLS/WED in controls (n°) | RLS/WED criteria |
|---|---|---|---|---|
| (17) | USA | 20.8 (63 out of 303) | N.A | IRLSSG diagnostic criteria of RLS/WED (1995) 18) |
| (19) | India | 14.9 (21 out of 149) | 1 (1 out of 115) | RLS/WED was referred to by a question |
| (20) | Singapore | 0 (0 out of 125) | N.A | IRLSSG diagnostic criteria of RLS/WED (1995) 18) |
| (21) | India | 7.9 (10 out of 126) | 0.8 (1 out of 128) | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (23) | Brazil | 52.3 (45 out of 86) | N.A | Irresistible desire to move the legs, particularly at night, aggravated by rest and ameliorated after movement. |
| (24) | Japan | 12 (20 out of 165) | 2.3 (3 out of 131) | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (25) | Spain | 21.9 (25 out of 114) | N.A | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (26) | Singapore | 3 (3 out of 200) | 0.5 (1 out of 200) | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (27) | Italy | 3.3 (4 out of 118) | 2.7 (3 out of 110) | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (28) | Korea | 16.3 (73 out of 447) | N.A | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (29) | France | 0 (0 out of 11) | N.A | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (30) | Austria | 24 (28 out of 113) | N.A | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (31) | Brazil | 50 (8 out of 16) | 0 (0 out of 12) | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (32) | Brazil | 18.75 (9 out of 48) | N.A | IRLSSG diagnostic criteria of RLS/WED (1995) 18) |
| (34) | Netherlands | 11 (29 out of 269) | N.A | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (16) | Thailand | 1.6 (3 out of 183) | N.A | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (35) | Italy | 2.75 (3 out of 109) | 2.58 (3 out of 116) | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (36) | Norway | 12.5 (21 out of 200) | 6.9 (12 out of 173) | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (37) | Japan | 5.5 (5 out of 93) | 2.2 (2 out of 93) | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (38) | Norway | 27 (47 out of 176) | N.A | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (39) | Malaysia | 9.7 (11 out of 113) | N.A | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (40) | India | 11.9 (16 out of 134) | 2.9 (5 out of 172) | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (41) | Canada (diverse ethnic background) | 21.3 (27 out of 127) | 4.7 (6 out of 127) | RLS/WED diagnostic criteria (not specify) |
| (42) | UK | 16.2 (6 out of 37) | 10.8 (4 out of 37) | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (43) | South Korea | 16.5 (25 out of 151) | N.A | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (44) | South Korea | 16 (36 out of 225) | N.A | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (45) | Iran | 14.8 (16 out of 108) | 7.5 (32 out of 424) | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (46) | Finland | 20.3 (117 out of 577) | N.A | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
| (47) | China | 10.7 (28 out of 262) | N.A | IRLSSG diagnostic criteria of RLS/WED (2014) 2) |
| (48) | Canada | 20 (25 out of 123) | 5 (6 out of 123) | RLS/WED diagnostic criteria (not specify) |
| (49) | Brazil | 28.4 (25 out of 88) | N.A | IRLSSG diagnostic criteria of RLS/WED (2014) 2) |
| (50) | Japan | 3.4 (15 out of 436) | 2.7 (11 out of 401) | IRLSSG diagnostic criteria of RLS/WED (2003) 22) |
RLS/WED, Restless Legs Syndrome/Willis-Ekbom Disease; PD, Parkinson's disease; N.A, not available; IRLSSG, International Restless Legs Syndrome Study Group.