Table 2.
Table demonstrating the incidence rate of idiopathic ventricular arrhythmias.
| Overall cohort (N=614) |
Idiopathic VT (N=177) |
Symptomatic PVC (N=408) |
IVA-CM (N=29) |
|
|---|---|---|---|---|
| Overall crude incidence rate | 48.10 (41.75–55.41) | 13.85 (11.92–16.09) | 31.93 (27.72–36.78) | 2.27 (1.52–3.27) |
| ○ Males | 36.65 (31.81–42.22) | 15.52 (12.59–18.93) | 18.88 (15.69–22.69) | 2.24 (1.22–3.76) |
| ○ Females | 58.97 (51.19–67.93) | 12.25 (9.71–15.19) | 44.42 (38.56–51.17) | 2.30 (1.29–3.80) |
| ○ 2005–2007 | 41.34 (35.43–48.20) | 12.71 (9.49–16.65) | 26.42 (22.25–32.02) | |
| ○ 2008–2010 | 44.05 (38.06–50.92) | 12.42 (9.30–16.27) | 29.52 (24.68–35.28) | |
| ○ 2011–2013 | 58.13 (50.46–66.97) | 16.29 (12.74–20.53) | 39.36 (33.81–45.78) | |
| Age-adjusted incidence rate | 52.05 (47.90–56.01) | 15.79 (13.45–18.13) | 33.72 (30.42–37.02) | 2.55 (1.61–3.48) |
| ○ Males | 42.43 (36.83–48.03) | 19.18 (15.29–23.06) | 20.54 (16.77–24.31) | 2.72 (1.27–4.17) |
| ○ Females | 61.97 (55.74–68.20) | 13.31 (10.37–16.24) | 46.22 (40.87–51.57) | 2.44 (1.20–3.68) |
| Age- and sex-adjusted | 51.86 (47.72–56.01) | 15.80 (13.46–18.15) | 33.51 (30.23–36.80) | 2.55 (1.61–3.48) |
| ○ 2005–2007 | 44.91 (38.04–51.78) | 14.90 (10.80–18.99) | 27.52 (22.26–32.78) | |
| ○ 2008–2010 | 47.62 (40.76–54.49) | 13.91 (10.15–17.68) | 31.32 (25.80–36.84) | |
| ○ 2011–2013 | 62.01 (54.37–69.65) | 18.41 (14.14–22.69) | 40.84 (34.73–46.95) | |
Rates per 100,000 (95% CIs).
PVC, premature ventricular complex; IVA-CM, idiopathic ventricular arrhythmia-associated cardiomyopathy; VT, ventricular tachycardia.