Skip to main content
. 2021 Aug 2;7:66. doi: 10.1038/s41531-021-00208-4

Table 1.

Demographics and follow-up data.

Data Total Missinga TD U PIGD MMP IM DM
Number of patients (n) 89 n/r 16 14 59 35 33 21
Age of onset (yrs) 59.7 ± 9.2 0 57.7 ± 8.9 58.7 ± 10.3 60.4 ± 9.1 58.8 ± 10.0 59.1 ± 9.1 62.1 ± 7.7
Men (n) 54 (60.7%) 0 8 (50.0%) 8 (57.1%) 38 (64.4%) 19 (54.3%) 22 (66.7%) 13 (61.9%)
Duration at baseline 7.9 ± 5.3 0 6.7 ± 3.9 8.0 ± 5.8 8.2 ± 5.5 6.1 ± 4.0 7.4 ± 5.4 11.7 ± 5.2
Age at baseline (yrs) 67.6 ± 9.1 0 64.4 ± 8.9 66.8 ± 8.3 68.6 ± 9.2 64.9 ± 9.4 66.5 ± 8.2 73.8 ± 7.0
RBD at baseline (n) 33 (41.3%) 9 (10.1%) 4 (26.7%) 6 (50.0%) 23 (43.4%) 0 23 (76.7%) 10 (55.6%)
Hallucinations at baseline 28 (31.5%) 0 1 (6.3%) 5 (35.7%) 22 (37.3%) 0 11 (33.3%) 17 (81.0%)
NMSQ score at baseline 9.8 ± 4.9 7 (7.9%) 7.5 ± 3.4 10.3 ± 5.3 10.3 ± 5.0 6.4 ± 3.5 10.8 ± 4.3 13.6 ± 4.0
Imputation in UPDRS (n) 28 (31.5%) n/r 6 (37.5%) 4 (28.6%) 18 (30.5%) 12 (34.3%) 9 (27.3%) 7 (33.3%)
Regularly used walker before baseline (n) 14 (15.7%) 3 (3.4%)b 0 2 (14.3%) 12 (20.3%) 0 2 (6.1%) 12 (57.1%)
Moved to nursing home before baseline (n) 5 (5.6%) 0 0 0 5 (8.5%) 0 0 5 (23.81%)
Progressed to HY5 before baseline (n) 1 (1.1%) 0 0 0 1 (1.7%) 0 0 1 (4.8%)
Developed dementia before baseline (n) 7 (7.9%) 7 (7.9%)b 0 1 (7.1%) 6 (10.2%) 0 0 7 (33.3%)
Follow-up data
Years followed since baseline 8.1 ± 2.7 0 9.2 ± 1.9 9.5 ± 1.4 7.5 ± 2.9 9.4 ± 1.8 8.0 ± 2.7 6.1 ± 2.8
Disease duration from onset (yrs) 16.0 ± 5.4 0 15.9 ± 4.7 17.5 ± 6.4 15.7 ± 5.4 15.5 ± 4.3 15.4 ± 5.9 17.9 ± 6.0
Age at end of study or at death (yrs) 75.7 ± 8.0 0 73.6 ± 8.9 76.2 ± 7.2 76.1 ± 7.9 74.2 ± 8.3 74.5 ± 8.0 80.0 ± 5.8
Died (n) 37 (41.6%) 0 3 (18.8%) 4 (28.6%) 30 (50.8%) 10 (28.6%) 11 (33.3%) 16 (76.2%)
Age at death (yrs) 80.0 ± 5.9 0 80.7 ± 7.2 83.0 ± 2.0 79.5 ± 6.2 81.3 ± 6.1 76.8 ± 5.3 81.4 ± 5.7
Regularly used walker (n) 58 (67.4%) 3 (3.4%)a 8 (50.0%) 9 (64.3%) 41 (73.2%) 20 (57.1%) 20 (62.5%) 18 (94.7%)
Progressed to HY5 (n) 32 (36.0%) 0 3 (18.8%) 4 (28.6%) 25 (42.4%) 7 (20.0%) 10 (30.3%) 15 (71.4%)
Moved to nursing home (n) 38 (42.7%) 0 4 (25.0%) 5 (35.7%) 29 (49.2%) 10 (28.6%) 11 (33.3%) 17 (81%)
Dementia (n) 27 (32.9%) 7 (7.9%)a 2 (13.3%) 3 (25.0%) 22 (40.0%) 6 (19.4%) 8 (25.8%) 13 (65%)
Participation in clinical reexamination (n) 34 (38.2%) 0 9 (56.3%) 4 (28.6%) 21 (35.6%) 17 (48.6%) 15 (45.5%) 2 (9.5%)

Cohort demographics and variables included in the classification systems for the whole cohort and subsets. Results are shown in mean ± SD of scores or years (yrs) or in absolute nr (percent of available data for the subset) indicated by (n).

aNumber of patients with missing data (% of the whole cohort).

bIndividuals for whom the use of walker or dementia could not be unambiguously extracted from available data.

HY5 Hoehn & Yahr stage 5, RBD symptoms suggestive of Rem-sleep behavioral disorder, NMSQ nonmotor symptom questionnaire, TD Tremor-dominant motor-phenotype, U Undetermined motor-phenotype, PIGD postural stability and gait disorder motor-phenotype, MMP mild-motor-predominant subtype, IM Intermediate subtype, DM diffuse-malignant subtype.