Table 6.
Total Populations | ||||||
Current | Mutch [4] | Pramstaller [5] | Rocca [6] | Teresi [7] | ||
Number of Subjects | 6771 | 4768 | 87 | 36 | 16 | 164 |
Age (Years) | <65 | >65 | 71–76 | 40+ | 62–96 | 65+ |
Symptom | ||||||
Arms or legs ever shake? | 5.0 | 35.0 | 6.2 | |||
Resting Tremor | 3.8 | 5.0 | 9.9 | |||
Shuffle feet | 3.0 | 8.3 | 31.2 | 10.1 | ||
Feet suddenly freeze in doorways | 2.8 | 6.2 | ||||
Poor balance | 10.0 | 27.8 | 37.5 | |||
Difficulty Walking | 4.7 | 3.8 | ||||
Walking Slower | 22.1 | 50.7 | 3.8# | |||
Trouble rising from chair | 6.4 | 6.4 | 13.0 | 13.9 | 37.5 | 21.4 |
Micrographia | 6.0 | 13.9 | 14.0 | 5.6 | 12.5 | 13.2 |
Olfactory dysfunction | 7.7 | 11.3 | ||||
Patients with Parkinsonism | ||||||
Current | Duarte [28] | Meneghini [31] | Mutch [4] | Pramstaller [5] | Rocca [6] | |
Number of Subjects | 53 | 36 | 21 | 35 | 40 | 37 |
Age (Years) | 46–81 | 30–89 | 40+ | 57–89 | 40+ | 58–94 |
Symptom | ||||||
Arms or legs ever shake? | 89.1 | 76.2 | 77.0 | 65.0 | 64.9 | |
Resting Tremor | 49.1 | |||||
Shuffle feet | 72.9 | 51.0 | 82.5 | 67.6 | ||
Feet suddenly freeze in doorways | 51.3 | 52.5 | 56.8 | |||
Poor balance | 83.7 | 69.0 | 75.0 | 81.1 | ||
Difficulty Walking | 35.9 | |||||
Walking Slower | 84.9 | |||||
Trouble rising from chair | 39.6 | 59.0 | 66.0 | 67.5 | 75.7 | |
Micrographia | 73.6 | 64.8 | 74.0 | 90.0 | 73.0 | |
Olfactory dysfunction | 34.0 |
*Current study including only the individuals who answered all symptoms questions (N = 11 539)
# Interviewer observation