With SND | Without SND | ||||
---|---|---|---|---|---|
Mean (SD) | 95% CI | Mean (SD) | 95% CI | ||
Holter ECG (n = 286) | |||||
Mean heart rate (beats/min) | 69.5 (13.1) | 53.2 to 85.8 | 70.7 (12.6) | 69.2 to 72.2 | |
Minimum heart rate (beats/min) | 55.4 (16.8) | 34.5 to 76.3 | 56.1 (11.3) | 54.8 to 57.4 | |
Maximum heart rate (beats/min) | 105.6 (27.5) | 71.4 to 139.8 | 104.8 (22.9) | 102.1 to 107.5 | |
Range of heart rate (beats/min) | 40.2 (19.4) | 16.1 to 64.3 | 38.7 (14.7) | 37.0 to 40.4 | |
Atrial ectopic beats (n) | 331 (178) | 188 to 475 | 355 (143) | 338 to 372 | |
Exercise testing (n = 208) | |||||
Peak heart rate (beats/min) | 110.6 (27.5) | 72.5 to 148.7 | 112.7 (31.3) | 108.4 to 117.0 | |
Echocardiography | |||||
Left atrial diameter (mm) (n = 410) | 38.9 (7.9) | 32.4 to 45.4 | 36.9 (6.2) | 36.3 to 37.5 | |
LVEDD (mm) (n = 387) | 54.7 (6.9) | 48.5 to 60.9 | 53.1 (5.8) | 52.5 to 53.7 | |
Ejection fraction (%) (n = 343) | 56.1 (11.4) | 45.9 to 66.3 | 57.4 (9.2) | 56.4 to 58.4 | |
Concomitant disease (n = 441) | |||||
Coronary artery disease | 33.3% | 38.9% | |||
Heart failure | 22.2% | 28.9% |
p Values all not significant.
CI, confidence interval; LVEDD, left ventricular end diastolic diameter.