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. 2019 Jun 25;9:9248. doi: 10.1038/s41598-019-45110-5

Table 1.

Baseline characteristics of PD patients.

Mean (SD), Median (IQR) or Frequency (%)
Characteristics Overall (n = 274) Completed 1-year follow-up (n = 78) Did not complete 1-year follow-up (n = 196)
Age in years 66.9 (9.01) 67.3 (8.57) 67.3 (8.93)
Male gender 167 (60.9) 52 (66.7) 115 (58.7)
Chinese ethnicity 235 (85.8) 73 (93.6) 162 (82.7)
Unemployed status 204 (74.5) 58 (74.4) 146 (74.5)
Lower than GCE O level of education 206 (75.2) 62 (79.5) 144 (73.5)
Disease duration in days 1989 (1509) 1971 (1463) 2125 (1708)
Age of onset in years 62 (55, 69) 62 (56, 67) 62 (54, 69)
Onset before age 50 29 (10.6) 7 (9.0) 22 (11.2)
Age at diagnosis in years 63 (56, 70) 63 (56.75, 68.25) 63 (56, 70)
No family history of PD 249 (90.9) 70 (89.7) 179 (93.4)
UPDRS IV total score 2.00 (0, 3.00) 2.00 (0, 4.00) 2.00 (0, 3.00)

Abbreviation - SD: Standard Deviation; IQR: Inter Quartile Range; UPDRS IV: Unified Parkinson’s Disease Rating Scale Part IV.