Table 3. Factor analysis for hand numbness.
| Variable | Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|---|
| OR (95% CI) | p | OR (95% CI) | HR | p | |
| Acute coronary syndrome | 0.07-4.64 | 0.60 | |||
| Height | 0.98-1.17 | 0.10 | |||
| Previous MI | 0.93-15.85 | 0.06 | 0.95-16.58 | 3.96 | 0.06 |
| Sheath diameter (5 French)* | 0.23-0.71 | 0.77 | |||
| Sheath diameter (6 French)* | 0.11-0.94 | 0.97 | |||
| Sheath diameter (7 French)* | 0.99-32.66 | 0.04 | 1.06-28.58 | 5.5 | 0.042 |
| Lidocaine volume (cc) | 0.92-3.24 | 0.09 | |||
| Location of puncture site† | 0.08-1.89 | 0.24 | |||
*each group of sheath diameter was compared to 4 Fr. sheath. †location of puncture site was analysed distance from styloid process. OR: odds ratio, CI: confidence interval, HR: hazard ratio, MI: myocardial infarction