| range in severity | 0.16 |
| involve the palate | 0.16 |
| involve eye | 0.16 |
| involve limb | 0.16 |
| involve diaphragm | 0.16 |
| included bradycardia | 0.16 |
| included heart block | 0.16 |
| included ventricular fi… | 0.16 |
| anti-arrhythmic therapy | 0.68 |
| beta blockers | 0.25 |
| digoxin | 0.25 |
| stroke | 0.27 |