Table 2—

Age-standardized prevalence of known and newly detected type 2 diabetes using 1999 and 1985 World Health Organization criteria and 1997 American Diabetes Association criteria among European, African-Caribbean, and Pakistani individuals aged 35–79 years

European
African-Caribbean
Pakistani
Total
MenWomenMenWomenMenWomenMenWomen
Number screened2222591801886765517546
Known diabetes8.0 [18]3.7 [11]15.7 [36]16.2 [28]14.0 [9]18.2 [12]11.4 [69]9.2 [55]
(4.7–11.3)(1.5–5.9)(10.7–20.7)(11.5–20.9)(5.7–22.3)(8.8–27.6)(8.8–14.0)(7.0–11.4)
Glucose tested (n)668376955252206243
New diabetes*14.1 [12]16.8 [14]9.2 [7]6.0 [7]18.0 [9]21.9 [11]13.5 [29]12.9 [32]
 (WHO 1999)(5.7–22.5)(8.8–24.9)(2.7–15.7)(1.2–10.7)(7.6–28.5)(10.7–33.2)(8.9–18.2)(8.7–17.1)
Known and new20.8 [30]19.9 [25]23.4 [43]20.8 [35]29.9 [18]35.7 [23]23.3 [98]20.8 [87]
 (WHO 1999)(15.5–26.1)(15.1–24.8)(17.2–29.6)(15.0–26.6)(19.0–40.9)(24.0–47.3)(19.6–26.9)(17.4–24.2)
Minimum prevalence12.4 [30]9.2 [25]19.6 [43]19.0 [35]28.0 [18]35.3 [23]16.9 [98]14.9 [87]
(8.0–16.7)(5.7–12.8)(13.8–25.4)(13.4–24.7)(17.3–38.8)(23.6–46.9)(13.7–20.2)(12.0–17.9)
Known and new18.0 [25]11.8 [18]23.7 [42]20.9 [33]26.2 [15]36.4 [22]20.9 [89]18.4 [77]
 (WHO 1985)(13.3–22.7)(8.11–15.5)(17.9–29.5)(15.7–26.1)(15.7–36.7)(24.7–48.1)(17.6–24.2)(15.4–21.4)
Known and new19.2 [28]18.8 [24]22.9 [42]18.3 [32]22.2 [14]26.7 [14]20.7 [91]17.2 [77]
 (ADA 1997)(14.4–24.0)(14.3–23.3)(17.1–28.7)(13.3–23.3)(12.2–32.2)(15.9–37.5)(17.4–24.0)(14.3–20.1)
  • Data are % [n] (95% CI). Age standardized to the 1991 combined male and female population of England and Wales. Note that 255 individuals aged 25–34 years were not included because no comparable Pakistani group had been sampled within this age group (see text).

  • *

    * Prevalence in group without known diabetes attending for glucose tolerance testing;

  • minimum prevalence assuming that those those individuals who did not undergo glucose challenge would be normoglycernic if tested. ADA, American Diabetes Association; WHO, World Health Organization.)