Table 3 —

Standardized incidence rates of amputations in Leverkusen 1990–1998 according to calendar years

YearsIncidence rate* in total populationIncidence rate* in diabetic population
Incidence rate* in nondiabetic population
Standard: total populationStandard: diabetic population
199033 (24–42)224 (136–311)549 (382–715)7 (2–12)
199126 (18–34)143 (75–210)356 (221–491)10 (5–16)
199437 (27–46)226 (141–312)544 (383–705)12 (6–18)
199528 (20–36)175 (96–255)386 (252–521)11 (5–16)
199622 (15–30)180 (101–259)426 (286–566)2 (0–5)
199729 (21–37)455 (0–989)433 (290–576)10 (5–15)
199830 (21–38)195 (113–278)463 (316–611)8 (4–13)
All years combined30 (27–33)230 (150–311)466 (409–523)9 (7–11)
  • Data are n (95% CI).

  • *

    * Unit: 100,000–1 · year−1.