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. 2023 Sep 28;77(Supl 2):S1–S12. [Article in Spanish] doi: 10.33588/rn.77S02.2023217

Table II.

Demographic data. Comparison of patient profiles in the parent study SYNAPSES (Europe) and the post-hoc analysis of the Spanish study population (Spain).

Total number of evaluable patients Patients aged >75 years Patients with relevant comorbidities Patients with psychiatric conditions




Spain n = 511 (100%) Europe n = 1558 (100%) Spain n = 131 (25.6%) Europe n = 391 (25.1%) Spain n = 373 (73.0%) Europe n = 1103 (70.8%) Spain n = 249 (48.7%) Europe n = 661 (42.4%)
Sex (n, %) Male 289 (56.6%) 961 (61.7%) 59 (45.0%) 221 (56.5%) 200 (53.6%) 665 (60.3%) 119 (47.8%) 356 (53.9%)




Female 222 (43.4%) 597 (38.3%) 72 (55.0%) 170 (43.5%) 173 (46.4%) 438 (39.7%) 130 (52.2%) 305 (46.1%)




Age at enrollment (years: mean ± SD) 68 ± 10.3 68.4 ± 9.7 79.9 ± 3.0 79.7 ± 3.1 70 ± 9.1 70.0 ± 8.7 68.7 ± 9.9 68.3 ± 9.4




Race (n, %) Caucasian 507 (99.2%) 1543 (99.0%) 131 (100%) 389 (99.5%) 369 (98.9%) 1094 (99.2%) 247 (99.2%) 658 (99.5%)




Other 4 (0.8%) 15 (1.0%) 0 (0.0%) 2 (0.5%) 4 (1.1%) 9 (0.8%) 2 (0.8%) 3 (0.5%)




Diagnosis (n, %) Idiopathic PD 500 (97.8%) 1542 (99.0%) 129 (98.5%) 389 (99.5%) 367 (98.4%) 1094 (99.2%) 243 (97.6%) 653 (98.8%)




Atypical Parkinsonism 9 (1.8%) 12 (0.8%) 2 (1.5%) 2 (0.5%) 5 (1.3%) 7 (0.6%) 5 (2.0%) 6 (0.9%)




Juvenile PD 2 (0.4%) 4 (0.3%) 0 (0.0%) 0 (0.0%) 1 (0.3%) 2 (0.2%) 1 (0.4%) 2 (0.3%)




Time from diagnosis (years: mean ± SD) 8.1 ± 5.6 7.9 ± 5.3 8.1 ± 5.2 7.9 ± 5.3 8.0 ± 5.5 7.8 ± 5.3 8.9 ± 6.1 8.4 ± 5.5




Time from onset of symptoms (years: mean ± SD) 8.9 ± 5.5 8.8 ± 5.5 8.8 ± 4.9 8.9 ± 5.5 8.8 ± 5.3 8.7 ± 5.4 9.5 ± 6.1 9.3 ± 5.5




Age at onset of symptoms (years: mean ± SD) 58.6 ± 11.5 59.3 ± 11.0 71.2 ± 5.5 70.9 ± 6.5 60.9 ± 10.2 61.0 ± 10.1 58.8 ± 11.5 58.8 ± 10.7




Hoehn & Yahr stage (n, %) 1 20 (4.2%) 82 (5.3%) 1 (0.8%) 5 (1.3%) 16 (4.5%) 45 (4.1%) 6 (2.5%) 21 (3.1%)




2 295 (62.0%) 793 (50.9%) 58 (48.7%) 143 (36.6%) 206 (58.4%) 550 49.9%) 129 (54.4%) 307 (46.4%)




3 139 (29.2%) 421 (27.1%) 52 (43.7%) 144 (36.9%) 114 (32.3%) 325 (29.5%) 85 (35.9%) 215 (32.5%)




4 21 (4.4%) 88 (5.6%) 8 (6.7%) 40 (10.2%) 16 (4.5%) 70 (6.3%) 17 (7.2%) 63 (9.5%)




5 1 (0.2%) 6 (0.4%) 0 (0.0%) 4 (1.0%) 1 (0.3%) 5 (0.5%) 0 (0.0%) 4 (0.6%)

Percentages (%) are calculated by column. n: number of patients; PD: Parkinson’s disease; SD: standard deviation.