Table 2 Clinical outcomes of patients in each frontal plane QRS axis groups.
Left axis deviation N of patients with event/N of patients at risk (Cumulative 3-year incidence [%]) | Right axis deviation N of patients with event/N of patients at risk (Cumulative 3-year incidence [%]) | Normal axis N of patients with event/N of patients at risk (Cumulative 3-year incidence [%]) | Variables | Unadjusted | Adjusted | |||
|---|---|---|---|---|---|---|---|---|
HR (95% CI) | P value | HR (95% CI) | P value | |||||
Primary outcome | ||||||||
A composite of all-cause death and MACE | 37/171 (26.4) | 17/94 (22.7) | 452/3088 (18.4) | Left axis deviation | 1.64 (1.22–2.20) | 0.001 | 1.44 (1.07–1.95) | 0.02 |
Right axis deviation | 1.10 (0.69–1.76) | 0.70 | 1.22 (0.76–1.96) | 0.41 | ||||
Normal axis | Reference | Reference | ||||||
Secondary outcomes | ||||||||
All-cause death | 23/171 (16.7) | 13/94 (17.3) | 276/3088 (11.3) | Left axis deviation | 1.52 (1.04–2.22) | 0.03 | 1.44 (0.98–2.12) | 0.06 |
Right axis deviation | 1.37 (0.80–2.34) | 0.25 | 1.61 (0.94–2.76) | 0.08 | ||||
Normal axis | Reference | Reference | ||||||
MACE | 19/171 (14.7) | 8/94 (11.6) | 238/3088 (10.3) | Left axis deviation | 1.62 (1.08–2.44) | 0.02 | 1.28 (0.85–1.94) | 0.24 |
Right axis deviation | 0.93 (0.46–1.87) | 0.83 | 1.05 (0.52–2.14) | 0.88 | ||||
Normal axis | Reference | Reference | ||||||
