Table 2.
Demographic and clinical characteristics.
| ET Cases | ETH | ET-ST | Controls | |
|---|---|---|---|---|
|
| ||||
| Sex | 24M/23F (51% M) | 13M/14F (48% M) | 14M/7F (67% M) | 10M/26F (28% M) |
| p = 0.033 | p = 0.099 | p = 0.004 | ||
|
| ||||
| Age (years) | 76.0±6.8 | 77.4±6.9 | 77.8±6.6 | 73.3±6.5 |
| p = 0.075 | p = 0.023 | p = 0.019 | ||
|
| ||||
| Total Tremor Score | 20.4±6.1 | 20.4±6.3 | 24.8±1.8 | 5.3±2.5 |
| p < 0.001 | p < 0.001 | p < 0.001 | ||
|
| ||||
| MoCA Score | 27.4±2.5 | 27.8±1.9 | 26.8±3.0 | 28.1±1.7 |
| p = 0.135 | p = 0.426 | p = 0.040 | ||
|
| ||||
| Age of Onset (years) | 41.0±20.5 | 41.9±20.8 | 36.0±21.6 | N/A |
|
| ||||
| #Years Hospit | 8.4±13.3 | 8.0±10.2 | 6.9±6.9 | 22.8±23.9 |
| p = 0.002 | p = 0.002 | p < 0.001 | ||
|
| ||||
| #Prescrip | 3.56±2.48 | 3.93±2.29 | 3.70±3.00 | 3.19±3.21 |
| p=0.575 | p=0.372 | p=0.641 | ||
|
| ||||
| Hearing loss | 12/47 (26%) | 8/27 (30%) | 5/21 (24%) | 3/36 (8%) |
| p=0.068 | p=0.045 | p=0.132 | ||
|
| ||||
| Stroke | 2/47 (4%) | 1/27 (4%) | 2/21 (10%) | 0/36 (0%) |
| p=0.216 | p=0.248 | p=0.064 | ||
|
| ||||
| TIA | 3/47 (6%) | 0/27 (0%) | 1/21 (5%) | 1/36 (3%) |
| p=0.458 | p=0.386 | p=0.700 | ||
|
| ||||
| CHF | 5/47 (11%) | 2/27 (7%) | 2/21 (10%) | 1/36 (3%) |
| p=0.187 | p=0.405 | p=0.284 | ||
|
| ||||
| MI | 1/47 (2%) | 0/27 (0%) | 1/21 (5%) | 0/36 (0%) |
| p=0.381 | p=N/A | p=0.190 | ||
|
| ||||
| OA | 13/47 (28%) | 7/27 (26%) | 5/21 (24%) | 8/36 (22%) |
| p=0.626 | p=0.766 | p=0.904 | ||
P-values are with respect to controls for each group. 9M/4F ET cases were included both in the ETH and ET-ST subgroups.
Abbreviations: ET with head tremor (ETH), ET with severe tremor [TTS≥23] (ET-ST), Montreal Cognitive Assessment (MoCA), Not Applicable (N/A), Years since hospitalization (#Years Hospit), Number of prescription medications (# Prescrip), Transient Ischemic Attack (TIA), Congestive Heart Failure (CHF), Myocardial Infarction (MI), Osteoarthritis (OA)