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Time trends in pediatric hand fracture incidence in Malmö, Sweden, 1950–2016

Bergman, Erika LU ; Lempesis, Vasileios LU ; Jehpsson, Lars LU ; Rosengren, Björn E. LU and Karlsson, Magnus K. LU (2021) In Journal of Orthopaedic Surgery and Research 16(1).
Abstract

Background: The hand is the second most fractured region in children. It is therefore important to update fracture epidemiology to be able to identify time trends for adequate health care planning. This study reports pediatric hand fracture incidence 2014–2016 and, using published data, also long-term time trends in 1950–2016. Patients and methods: The Swedish city of Malmö, with 328,494 inhabitants in 2016, has only one hospital. We used the hospital radiological archive, medical charts, and diagnosis registry to identify hand fractures in city residents < 16 years in 2014–2016. These data were compared to those from three published studies that evaluated periods in 1950–2006. Differences between two periods were calculated as both... (More)

Background: The hand is the second most fractured region in children. It is therefore important to update fracture epidemiology to be able to identify time trends for adequate health care planning. This study reports pediatric hand fracture incidence 2014–2016 and, using published data, also long-term time trends in 1950–2016. Patients and methods: The Swedish city of Malmö, with 328,494 inhabitants in 2016, has only one hospital. We used the hospital radiological archive, medical charts, and diagnosis registry to identify hand fractures in city residents < 16 years in 2014–2016. These data were compared to those from three published studies that evaluated periods in 1950–2006. Differences between two periods were calculated as both unadjusted and age- and sex-adjusted incident rate ratios (IRR) with 95% confidence intervals (95% CI). We used joinpoint regression to estimate time trends during the entire period and present annual percent changes (APC) with 95% CI. Results: In 2014–2016 phalangeal fractures accounted for 71% of all hand fractures, metacarpal fractures for 24%, and carpal fractures for 5%. We identified 615 hand fractures (419 in boys and 196 in girls) during 181,617 person-years in 2014–2016, resulting in an unadjusted pediatric hand fracture incidence of 339/100,000 person-years (boys 452/100,000 person-years and girls 220/100,000 person-years). The age-adjusted incidence 2014–2016 was similar to 2005–2006, the most recently evaluated period (IRR in boys 0.9; 95% CI 0.8 to 1.01, and in girls 1.0; 95% CI 0.8 to 1.2). Looking at the entire period 1950–2016, we found that age-adjusted incidence increased in 1950–1979, in boys by APC + 3.8%; 95% CI 3.0 to 4.5 and in girls by + 3.9%; 95% CI 2.8 to 5.0, but decreased in 1979–2016, in boys by − 0.7%; 95% CI − 1.4 to − 0.003, and girls by − 1.3%; 95% CI − 2.4 to − 0.1. Conclusions: Phalangeal fractures accounted for about three quarters of all hand fractures. The age-adjusted hand fracture incidence increased in both sexes in 1950–1979 and decreased in 1979–2016. Level of evidence: III

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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Boys, Children, Epidemiology, Etiology, Fractures, Girls, Hand, Joinpoint, Time trends
in
Journal of Orthopaedic Surgery and Research
volume
16
issue
1
article number
245
publisher
BioMed Central (BMC)
external identifiers
  • pmid:33836797
  • scopus:85104102285
ISSN
1749-799X
DOI
10.1186/s13018-021-02380-y
language
English
LU publication?
yes
id
bf1ac25e-6f79-4a48-b29d-2039011366dc
date added to LUP
2021-04-26 07:21:18
date last changed
2024-06-15 10:28:24
@article{bf1ac25e-6f79-4a48-b29d-2039011366dc,
  abstract     = {{<p>Background: The hand is the second most fractured region in children. It is therefore important to update fracture epidemiology to be able to identify time trends for adequate health care planning. This study reports pediatric hand fracture incidence 2014–2016 and, using published data, also long-term time trends in 1950–2016. Patients and methods: The Swedish city of Malmö, with 328,494 inhabitants in 2016, has only one hospital. We used the hospital radiological archive, medical charts, and diagnosis registry to identify hand fractures in city residents &lt; 16 years in 2014–2016. These data were compared to those from three published studies that evaluated periods in 1950–2006. Differences between two periods were calculated as both unadjusted and age- and sex-adjusted incident rate ratios (IRR) with 95% confidence intervals (95% CI). We used joinpoint regression to estimate time trends during the entire period and present annual percent changes (APC) with 95% CI. Results: In 2014–2016 phalangeal fractures accounted for 71% of all hand fractures, metacarpal fractures for 24%, and carpal fractures for 5%. We identified 615 hand fractures (419 in boys and 196 in girls) during 181,617 person-years in 2014–2016, resulting in an unadjusted pediatric hand fracture incidence of 339/100,000 person-years (boys 452/100,000 person-years and girls 220/100,000 person-years). The age-adjusted incidence 2014–2016 was similar to 2005–2006, the most recently evaluated period (IRR in boys 0.9; 95% CI 0.8 to 1.01, and in girls 1.0; 95% CI 0.8 to 1.2). Looking at the entire period 1950–2016, we found that age-adjusted incidence increased in 1950–1979, in boys by APC + 3.8%; 95% CI 3.0 to 4.5 and in girls by + 3.9%; 95% CI 2.8 to 5.0, but decreased in 1979–2016, in boys by − 0.7%; 95% CI − 1.4 to − 0.003, and girls by − 1.3%; 95% CI − 2.4 to − 0.1. Conclusions: Phalangeal fractures accounted for about three quarters of all hand fractures. The age-adjusted hand fracture incidence increased in both sexes in 1950–1979 and decreased in 1979–2016. Level of evidence: III</p>}},
  author       = {{Bergman, Erika and Lempesis, Vasileios and Jehpsson, Lars and Rosengren, Björn E. and Karlsson, Magnus K.}},
  issn         = {{1749-799X}},
  keywords     = {{Boys; Children; Epidemiology; Etiology; Fractures; Girls; Hand; Joinpoint; Time trends}},
  language     = {{eng}},
  number       = {{1}},
  publisher    = {{BioMed Central (BMC)}},
  series       = {{Journal of Orthopaedic Surgery and Research}},
  title        = {{Time trends in pediatric hand fracture incidence in Malmö, Sweden, 1950–2016}},
  url          = {{http://dx.doi.org/10.1186/s13018-021-02380-y}},
  doi          = {{10.1186/s13018-021-02380-y}},
  volume       = {{16}},
  year         = {{2021}},
}