九州におけるHB抗原および抗体の頻度
1976 年 50 巻 12 号 p. 387-396
詳細
1976 年 50 巻 12 号 p. 387-396
Frequency of hepatitis B surface antigen (HBsAg) and antibody (HBsAb) in Kyushu, Japan was examined during 1968-1975. HBsAg was detected in 2.2%(SRID) and 3.0%(IAHA) of 11, 972 cases collected from 28 populations in 8 prefectures in Kyushu and Yamaguchi prefecture. Positive rate of HBsAg in 6, 295 male (3.3%) was significantly higher than that (2.1%) in 5, 677 female.
HbsAg was detected most frequently in 0-9 age group in which positive rate was 6.1%. In 15 out of 28 populations which contained 5 or more HBsAg positive cases, 7 showed positive rate of 4% or higher.
HBsAb (PHA) in 1, 502 cases (907 male, 595 female) was 25% on the average and positive rate for HBsAb in female (30.6%) was significantly higher than that (21.6%) in male. The highest positive rate, 38.5%, was in the age group of 50-59.
