Sex-specific time trends in first admission to hospital for peripheral artery disease in Scotland 1991-2007

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Journal Article
British Journal of Surgery, 2012, 99 (5), pp. 680 - 687
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Background: This study examined trends for all first hospital admissions for peripheral artery disease (PAD) in Scotland from 1991 to 2007 using the Scottish Morbidity Record. Methods: First admissions to hospital for PAD were defined as an admission to hospital (inpatient and day-case) with a principal diagnosis of PAD, with no previous admission to hospital (principal or secondary diagnosis) for PAD in the previous 10 years. Results: From 1991 to 2007, 41 593 individuals were admitted to hospital in Scotland for the first time for PAD. Some 23 016 (55.3 per cent) were men (mean(s.d.) age 65.7(11.7) years) and 18 577 were women (aged 70.4(12.8) years). For both sexes the population rate of first admissions to hospital for PAD declined over the study interval: from 66.7 per 100 000 in 1991-1993 to 39.7 per 100 000 in 2006-2007 among men, and from 43.5 to 29.1 per 100 000 respectively among women. After adjustment, the decline was estimated to be 42 per cent in men and 27 per cent in women (rate ratio for 2007 versus 1991: 0.58 (95 per cent confidence interval 0.55 to 0.62) in men and 0.73 (0.68 to 0.78) in women). The intervention rate fell from 80.8 to 74.4 per cent in men and from 77.9 to 64.9 per cent in women. The proportion of hospital admissions as an emergency or transfer increased, from 23.9 to 40.7 per cent among men and from 30.0 to 49.5 per cent among women. Conclusion: First hospital admission for PAD in Scotland declined steadily and substantially between 1991 and 2007, with an increase in the proportion that was unplanned. Copyright © 2012 British Journal of Surgery Society Ltd. Published by John Wiley & Sons, Ltd.
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