Table 5.
Analysis of risk factors for CRBBB
| Risk factors | ECG (n)* | C. coefficient† | Cramer’s V | χ2 (p value) |
|---|---|---|---|---|
| Age (years) | ||||
| ≥65 | 82/2794 | 0.0553 | 0.0553 | 0.0000 |
| 40–64 | 134/11530 | |||
|
| ||||
| Sex | ||||
| Male | 121/6452 | 0.0261 | 0.0261 | 0.0016 |
| Female | 95/7872 | |||
|
| ||||
| Hypertension | ||||
| + | 61/2780 | 0.0262 | 0.0262 | 0.0016 |
| − | 155/11544 | |||
|
| ||||
| Diabetes mellitus | ||||
| + | 20/643 | 0.0263 | 0.0263 | 0.0015 |
| − | 196/13681 | |||
|
| ||||
| Hypercholesterolemia | ||||
| + | 18/1498 | 0.0075 | 0.0075 | 0.3671 |
| − | 198/12826 | |||
|
| ||||
| Smoking | ||||
| + | 32/2239 | 0.0019 | 0.0019 | 0.8153 |
| − | 184/12085 | |||
|
| ||||
| Alcohol drinking | ||||
| + | 35/2302 | 0.0003 | 0.0003 | 0.9676 |
| − | 181/12022 | |||
|
| ||||
| Cardiac disease | ||||
| + | 5/336 | 0.0004 | 0.0004 | 0.9763 |
| − | 211/13988 | |||
|
| ||||
| Stroke | ||||
| + | 3/120 | 0.0042 | 0.0042 | 0.6146 |
| − | 213/14204 | |||
*
ECG (n); Numbers of CRBBB/no CRBBB group
†
C. coefficient; contingency coefficient