Table 1.
Demographic and clinical data of subjects of the articles included in the R2* meta-analysis.
| References | Age PD | Disease duration PD | UPDRS level PD | H&Y PD | LEDD PD | Age HC |
|---|---|---|---|---|---|---|
| Ordidge et al. (22) | 47–72 | 2–13 | N/A | 1.5-3 | N/A | 47–72 |
| Graham et al. (9) | 61.4 (7.3) | 11.1 (4.5) | N/A | N/A | N/A | 64.0 (6.6) |
| Martin et al. (28) | 61.9 (9.0) | 3.2 (1.7) | 16.7 (7.1) | N/A | N/A | 55.9 (7.3) |
| Baudrexel et al. (32) | 62.2 (10.2) | 4.0 (2.3) | 18.3 (6.1) | 1.7 (0.5) | N/A | 62.3 (10.8) |
| Péran et al. (29) | 61.9 (11.1) | 4.5 (2.5) | 12.0 (5.9) | 1.7 (0.5) | 886.8 (399.5) | 57.4 (9.7) |
| Focke et al. (37) | 66.3 (7.8) | N/A | N/A | N/A | N/A | 67.6 (10.5) |
| Du et al. (20) | 60.8 (8.2) | 4.2 (4.7) | 23.5 (15.1) | 1.8 (0.6) | 528.0 (401.0) | 59.8 (7.0) |
| Bunzeck et al. (33) | 66.3 (9.0) | 6.3 (4.4) | 34.6 (17.4) | N/A | 393.8 (339.0) | 66.0 (9.1) |
| Rossi et al. (23) | 67.5 (12.9) | 1.4 (1.0) | 25 (11.8) | N/A | N/A | 67.0 (6.5) |
| Ulla et al. (13) | 60.2 (10.7) | 5.7 (4.4) | 12.1 (8.5) | 1.9 (0.7) | 614.0 (317.0) | 57.0 (8.5) |
| Lewis et al. (38) | 60.6 (8.0) | 4.4 (4.7) | 23.8 (15.4) | 1.7 (0.6) | 535.0 (400.0) | 59.9 (7.0) |
| Barbosa et al. (39) | 66.0 (8.0) | 8.1 (4.1) | N/A | 2.3 (0.6) | N/A | 64.0 (7.0) |
| He et al. (31) | 58.0 (8.8) | 2.8 (1.6) | 15.6 (6.22) | 1.4 (0.5) | N/A | 60.5 (6.5) |
| Murakami et al. (40) | 72.0 (7.5) | 2.7 (2.3) | N/A | 2.0 (0.6) | N/A | 69.7 (8.6) |
| Pyatigorskaya et al. (8) | 54.3 (10.9) | 5.2 (4.2) | 18.6 (9.1) | 1.6 (0.6) | N/A | 55.8 (7.4) |
| Reimão et al. (26) | 65.1 (9.2) | 1-5 | 27.4 (12.8) | 2.0 (0.0) | N/A | 61.2 (7.3) |
| Wieler et al. (41) | 59.8 (7.3) | 1.8 (1.3) | 14.3 (5.1) | N/A | N/A | 56.0 (6.9) |
| Guan et al. (30) | 55.4 (9.5) | 4.7 (3.8) | 27.1 (15.4) | 2.2 (0.7) | N/A | 56.6 (9.9) |
| Hopes et al. (10) | 60.4 (3.2) | 5.1 (0.6) | 28.8 (2.6) | 1.9 (0.2) | N/A | 60.0 (2.4) |
| Isaias et al. (12) | 62.8 (9.0) | 7.5 (3.57) | 14.5 (5.78) | 2 | 502.0 (183.0) | 60 (8.74) |
| Langkammer et al. (42) | 64.7 (8.8) | 3.4 | 31.3 (14.6) | 2 (0.5) | 182.5 (436.9) | 65 59.3) |
| Du et al. (43) | 66.3 (9.5) | 4.5 (4.5) | 21.5 (14.7) | 1.7 (0.7) | 669.0 (464.0) | 66.2 (10.2) |
| 64.5 (9.2) | 4.3 (4.1) | 19.8 (5.9) | N/A | N/A | 63 (9) | |
| Langley et al. (13) | 63.6 (7.0) | 6.1 (4.6) | 22.2 (12.4) | N/A | N/A | 63.1 (7.2) |
| Pesch et al. (16) | 59.5 (3.5) | 4.9 (1.5) | 34 (10.1) | N/A | N/A | 65.5 (4.7) |
| Ghassaban et al. (44) | 61.8 (6.4) | N/A | N/A | N/A | N/A | 63.4 (8) |
| Arribarat et al. (11) | 65.2 (6.6) | 6.8 (4.7) | 11.4 (4.9) | N/A | N/A | 66 (4.9) |
| Li et al. (14) | 68.2 (6.1) | N/A | 27 (15.7) | N/A | N/A | 64.8 (8) |
Data are presented as mean (STD). N/A, not available.