Table 7.
Previous reports of prevalence of ventricular premature contraction in school‐based cardiovascular screening
| Reference | District | Study period | First graders | Seventh graders |
|---|---|---|---|---|
| Hosaki9 | Tokyo | 1975‐1984 | 0.29% (80 368) | 0.46% (50 323) |
| Nagano et al10 | Yokohama | 1989‐1995 | 0.17% (431 086) | 0.35% (158 432) |
| Nagano et al10 | Nagano | 1989‐1995 | 0.32% (160 846) | 0.57% (162 364) |
| Nagashima11 | Nagoya | 1994‐1998 | 0.19% (101 713) | 0.35% (104 378) |
| Sumitomo12 | Tokyo | 1998‐2007 | 0.28% (492 900) | 0.50% (401 487) |
| Present study | Kagoshima | 2001‐2015 | 0.16% (81 844) | 0.31% (88 244) |