Table 3 Risk scores assigned to potential risk factors based on their Log OR
| Â | Bazett formula | Fridericia formula | ||||
|---|---|---|---|---|---|---|
Predictors | Log OR | Score | OR (95% CI) | Log OR | Score | OR (95% CI) |
Age (in years) | ||||||
  ≤ 25 | Ref. | Ref. | Ref. | Ref. | Ref. | Ref. |
 26–50 | − 0.15 | 0 | 0.71 (0.07–7.79) | – | – | – |
 51–75 | 0.20 | 1 | 1.58 (0.17–15.19) | – | – | – |
  ≥ 76 | 0.51 | 2 | 3.20 (0.25–41.21) | – | – | – |
Arrhythmia | 0.55 | 2 | 3.52 (1.03–12.07) | – | – | – |
Hypertension | 0.54 | 2 | 3.44 (1.36–8.68) | 0.77 | 2 | 5.92 (1.92–28.27) |
Loop diuretics | – | – | – | 0.56 | 2 | 3.65 (1.18–11.24) |