PloS one · 2015
Long-Term Survival of Individuals Born Small and Large for Gestational Age.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Wennerström E Christina M, Simonsen Jacob, Melbye Mads
Аннотация
BACKGROUND: Little is known on long-term survival and causes of death among individuals born small or large for gestational age. This study investigates birth weight in relation to survival and causes of death over time.
METHODS: A national cohort of 1.7 million live-born singletons in Denmark was followed during 1979-2011, using the Danish Civil Registration System, the Medical Birth Registry and the Cause of Death Registry. Cox proportional hazards were estimated for the impact of small (SGA) and large (LGA) gestation weight and mortality overall, by age group and birth cohort.
RESULTS: Compared to normal weight children, SGA children were associated with increased risk of dying over time. Though most of the deaths occurred during the first year of life, the cumulative mortality risk was increased until 30 years of age. The hazard ratios [HR] for dying among SGA children ages <2 years were: 3.47 (95% CI, 3.30-3.64) and 1.06 (95% CI, 0.60-1.87) in 30 years and older. HR for dying among SGA adults (20-29 years) were: 1.20 (95% CI, 0.99-1.46) in years 1979-1982 and 1.61 (95% CI, 1.04-2.51) in years 1989-1994. The SGA born had increased risk of dying from infection, heart disease, respiratory disease, digestive disease, congenital malformation, perinatal conditions, and accidents, suicide, and homicide. Individuals born LGA were associated with decreased mortality risk, but with increased risk of dying from malignant neoplasm.
CONCLUSIONS: Survival has improved independently of birth weight the past 30 years. However, children born SGA remain at significantly increased risk of dying up till they turn 30 years of age. Individuals born LGA have lower mortality risk but only in the first two years of life.
METHODS: A national cohort of 1.7 million live-born singletons in Denmark was followed during 1979-2011, using the Danish Civil Registration System, the Medical Birth Registry and the Cause of Death Registry. Cox proportional hazards were estimated for the impact of small (SGA) and large (LGA) gestation weight and mortality overall, by age group and birth cohort.
RESULTS: Compared to normal weight children, SGA children were associated with increased risk of dying over time. Though most of the deaths occurred during the first year of life, the cumulative mortality risk was increased until 30 years of age. The hazard ratios [HR] for dying among SGA children ages <2 years were: 3.47 (95% CI, 3.30-3.64) and 1.06 (95% CI, 0.60-1.87) in 30 years and older. HR for dying among SGA adults (20-29 years) were: 1.20 (95% CI, 0.99-1.46) in years 1979-1982 and 1.61 (95% CI, 1.04-2.51) in years 1989-1994. The SGA born had increased risk of dying from infection, heart disease, respiratory disease, digestive disease, congenital malformation, perinatal conditions, and accidents, suicide, and homicide. Individuals born LGA were associated with decreased mortality risk, but with increased risk of dying from malignant neoplasm.
CONCLUSIONS: Survival has improved independently of birth weight the past 30 years. However, children born SGA remain at significantly increased risk of dying up till they turn 30 years of age. Individuals born LGA have lower mortality risk but only in the first two years of life.