Table 1 Comparison of the demographic and clinical characteristics of cases with PD and secondary parkinsonism
From: Clinical profile of parkinsonism and Parkinson's disease in Lagos, Southwestern Nigeria
Characteristic | Parkinson's disease n = 98 | Secondary parkinsonism n = 26 | Statistical comparison |
|---|---|---|---|
Frequency (%) | 98/124 (79.0%) | 26/124 (21.0%) | |
Male (%) | 75 (76.5%) | 19 (73.1%) | RR = 1.04 (95% CI 0.83-1.30) |
Female (%) | 23 (23.5%) | 7 (26.9%) | |
Male to female ratio | 3.3 to 1 | 2.7 to 1 | |
Mean age (SD) at onset, years | 61.5 (10.0) | 57.5 (14.0) | T = 1.66; P = 0.10 |
Median age at onset | 63 | 61.5 | |
Age range at onset | 37 to 77 | 22 to 78 | |
Family history of PD in FDR | 1 (1.02%) | 0 (0%) | RR = 1.27 (95% CI 1.16-1.39) |