Fracture incidence in Olmsted County, Minnesota: Comparison of urban with rural rates and changes in urban rates over time

L. J. Melton, Cynthia Crowson, W. M. O'Fallon

Research output: Contribution to journalArticle

289 Citations (Scopus)

Abstract

Using the data resources of the Rochester Epidemiology Project, we carried out a descriptive study of fracture incidence among the residents of Olmsted County, Minnesota. During the 3-year period 1989-91, 2901 County residents ≥ 35 years of age experienced 3665 separate fractures. The age- and sex-adjusted (to 1990 United States whites) incidence of any fracture was 2205 per 100,000 person-years (95% CI, 2123 to 2286) and that of all fractures was 2797 per 100,000 (95% CI, 2705 to 2889). Age-adjusted fracture rates were 40% greater among women. Incidence rates increased with age in both sexes. One-third of the fractures involved the hip, spine or distal forearm - the skeletal sites traditionally associated with osteoporosis. The age- and sex-adjusted incidence of fractures due to moderate trauma (2205 per 100,000 person-years; 95% CI, 2106 to 2303) was twice that of fractures due to more severe trauma (1164 per 100,000: 95% CI, 1106 to 1223) and 12 times that of pathological fractures (178 per 100,000; 95% CI, 133 to 222). Overall fracture rates were 15% greater among residents of the central city of Rochester compared with the rural portion of Olmsted County. The incidence of limb fractures among Rochester residents was 14% higher than comparable rates documented for this community 20 years earlier in 1969-71, due mainly to a substantial increase in the incidence of leg fractures.

Original languageEnglish (US)
Pages (from-to)29-37
Number of pages9
JournalOsteoporosis International
Volume9
Issue number1
DOIs
StatePublished - 1999

Fingerprint

Incidence
Spontaneous Fractures
Urbanization
Hip Fractures
Wounds and Injuries
Forearm
Osteoporosis
Leg
Epidemiology
Spine
Cohort Studies
Extremities

Keywords

  • Epidemiology
  • Fracture
  • Incidence
  • Osteoporosis
  • Secular trends

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Fracture incidence in Olmsted County, Minnesota : Comparison of urban with rural rates and changes in urban rates over time. / Melton, L. J.; Crowson, Cynthia; O'Fallon, W. M.

In: Osteoporosis International, Vol. 9, No. 1, 1999, p. 29-37.

Research output: Contribution to journalArticle

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