Table 1 Overall and age-sex-specific annual prevalence rate of lower-extremity amputation from 2009 to 2013
Year | ||||||||
|---|---|---|---|---|---|---|---|---|
2009 | 2010 | 2011 | 2012 | 2013 | Change % | β | P for trend | |
No. of patientsa | 662,877 | 718,995 | 751,845 | 809,502 | 899,412 | |||
Case numberb | 2016 | 1988 | 1810 | 1578 | 1844 | |||
Female | 914 | 873 | 803 | 643 | 730 | |||
Male | 1102 | 1115 | 1007 | 935 | 1114 | |||
Prevalence rate (104) | ||||||||
Overall | 30.4 (29.1–31.7) | 27.6 (26.4–28.9) | 24.1(23–25.2) | 19.5 (18.5–20.5) | 20.5 (19.6–21.4) | −0.114 | < 0.001 | |
Female | ||||||||
55–64 years | 17.2 (14.8–19.5) | 16.0 (13.8–18.2) | 12.8 (10.9–14.6) | 10.0 (8.4–11.6) | 9.6 (8.1–11.1) | −44% | −0.164 | < 0.001 |
65–74 years | 24.4 (21.7–27.2) | 19.9 (17.5–22.3) | 19.7 (17.3–22.1) | 14.1 (12.2–16.1) | 15.4 (13.5–17.4) | −37% | −0.127 | < 0.001 |
75–84 years | 34.4 (30.4–38.3) | 32.1 (28.4–35.7) | 28.9 (25.4–32.3) | 21.2 (18.4–24.1) | 20.8 (18.2–23.4) | −39% | −0.140 | < 0.001 |
85 years and over | 59.0 (48.1–70.0) | 48.8 (39.6–58.1) | 38.5 (30.3–46.8) | 29.1 (22.4–35.8) | 30.0 (24.0–36.0) | −49% | − 0.186 | < 0.001 |
All females | 26.3 (24.6–28.0) | 23.2 (21.7–24.8) | 20.5 (19.0–21.9) | 15.2 (14.1–16.4) | 15.7 (14.5–16.8) | −40% | − 0.145 | < 0.001 |
Male | ||||||||
55–64 years | 28.9 (25.9–31.8) | 24.7 (22.1–27.3) | 23.4 (21.0–25.7) | 23.0 (20.7–25.2) | 21.3 (19.2–23.4) | −26% | −0.068 | < 0.001 |
65–74 years | 35.6 (32.0–39.3) | 35.6 (32.0–39.2) | 27.9 (24.8–31.0) | 23.3 (20.6–26.0) | 25.0 (22.3–27.7) | −30% | −0.113 | < 0.001 |
75–84 years | 41.1 (36.4–45.8) | 42.3 (37.7–47.0) | 37.3 (32.9–41.7) | 25.7 (22.1–29.3) | 32.9 (29.0–36.7) | −20% | −0.091 | < 0.001 |
85 years and over | 52.0 (40.5–63.6) | 34.7 (26.0–43.4) | 31.8 (23.5–40.1) | 32.3 (24.6–40.1) | 37.3 (29.9–44.6) | −28% | −0.067 | 0.068 |
All males | 34.9 (32.9–37.0) | 32.5 (30.6–34.4) | 28.0 (26.3–29.8) | 24.1 (22.6–25.7) | 25.7 (24.2–27.2) | −26% | −0.091 | < 0.001 |