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| Title | Results of Psychological Tests on Subjects of the Same Age at the Same Business Entity（Report 2）―Vegetative dystonia and coefficient of variation of the R−R intervals on ECG― |
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| Subtitle | |
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| Authors | Yohko KITAMURA*, **, Taisaku KATSURA** |
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| Authors(kana) | |
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| Organization | *Internal Medicine of Metropolitan Police Hospital Tama Branch, **First Department of Internal Medicine, Nihon University School of Medicine |
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| Journal | Circulation Control |
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| Volume | 8 |
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| Number | 4 |
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| Page | 517-520 |
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| Year/Month | 1987/ |
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| Article | Original article |
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| Publisher | Japan Society of Circulation Control |
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| Abstract | This study examined the R−R intervals on ECG in 428 male subjects during a rest interval. After the R−R intervals of 100 sequential counts has been recorded, the mean values, standard deviation（SD）, ratio between maximum and minimum, and coefficient of variation（CV） were calculated. The CMI was used to separate the subjects into groups according to the Fukamachi method and the Abe method. The results for these statistics indicated that the total of Regions I and II amounted to 380 cases with a CV of 4.37%, while the total of Regions III and IV amounted to 48 cases with a CV of 6.18%. The mean CV value for the entire group was 4.49%. The data shows that those subjects who were classified within Regions III and IV, that is, those subjects who displayed a predisposition towards neurosis, maintained a significantly higher CV percentage. On the other hand, CV was slightly low in the psychosomatic type of vegetative dystonia. |
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| Practice | Basic medicine |
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| Keywords | R−R interval, vegetative dystonia, coefficient of variation |
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