Science Links Japan | Time-trend in the Number of Diabetes Patients by Age at Onset and Type of Diabetes in Japanese Patients Diagnosed before the Age of 30.

Time-trend in the Number of Diabetes Patients by Age at Onset and Type of Diabetes in Japanese Patients Diagnosed before the Age of 30.

Accession number;99A0465595

Title;Time-trend in the Number of Diabetes Patients by Age at Onset and Type of Diabetes in Japanese Patients Diagnosed before the Age of 30.

Author; OTANI TOSHIKA (Tokyo Women's Medical College, Diabetic Center) YOKOYAMA HIROKI (Tokyo Women's Medical College, Diabetic Center) SATO AKIKO (Tokyo Women's Medical College, Diabetic Center) MIURA JUNNOSUKE (Tokyo Women's Medical College, Diabetic Center) YAMADA HITOMI (Tokyo Women's Medical College, Diabetic Center) MUTO KAZUKO (Tokyo Women's Medical College, Diabetic Center) TAKAIKE HIROKO (Tokyo Women's Medical College, Diabetic Center) MATSUURA NOBUO (Kitasato Univ., Sch. of Med.) IWAMOTO YASUHIKO (Tokyo Women's Medical College, Diabetic Center)

Journal Title;Journal of the Japan Diabetic Society

Journal Code:Z0279B

ISSN:0021-437X

VOL.42;NO.3;PAGE.179-185(1999)

Figure&Table&Reference;FIG.4, TBL.2, REF.16

Pub. Country;Japan

Language;Japanese

Abstract;We examined Japanese diabetic patients with diagnosis before the age of 30 and evaluated their cases to ditermine if a time-trend for the calendar year existed in the following categories: onset age of diabetes, type of diabetes and gender difference. Between 1980 and 1995, 2,176 Japanese patients were registered in our Diabetes Center with onset of diabetes before the age of 30. Of these 2,176 patient, 841 (39%) had insulin-dependent diabetes mellitus(IDDM), and 1,335 (61%) had non-insulin-dependent diabetes mellitus(NIDDM). The time-trend regarding these categories was investigated by assigning patients to the following groups: group A, diagnois between 1960 and 1975, group B, diagnosis between 1976 and 1985, and group C, diagnosis between 1986 and 1995. NIDDM patients with a dignosis before the age of 9 were present in all three groups. The numbers of both male and female IDDM patients with onset after 20 years of age, were increased in group C, but not in groups A and B (p<0.0001). Regarding NIDDM, the number of male patients with a diagnosis between the ages of 14 and 17 years was more increased in groups A and C than that in group A (A vs B; p<0.0001, A vs C; p<0.0001). The number of female NIDDM patients showed a similar finding in all three groups as in male NIDDM patients. (author abst.)

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