[abstract] ANNUAL RATE OF DECOMPRESSION SICKNESS (DCS) BASED ON INSURANCE CLAIMS

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[abstract] ANNUAL RATE OF DECOMPRESSION SICKNESS (DCS) BASED ON INSURANCE CLAIMS

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Title: [abstract] ANNUAL RATE OF DECOMPRESSION SICKNESS (DCS) BASED ON INSURANCE CLAIMS
Author: Denoble, P; Vaithiyanathan, P; Clarke, D; Vann, R
Abstract: BACKGROUND: We measured the annual rates of DCS based on insurance claims for DCS therapy and the number of Divers Alert Network (DAN) members with diving accident insurance. MATERIALS AND METHODS: DCS cases submitted by insured DAN members were extracted from de-identified insurance claims provided by DAN's Insurance Claims Processing Office. Selection criteria for DCS was an ICD-9 code of 993.3. Additional data included all insured DAN members for 2000 through 2007 with age and sex. The study was approved by the Duke University Medical Center Institutional Review Board. The rate of ICD-9 coded DCS per 100,000 insured members was calculated for each year with adjustments for sex and age. The annual rates are shown below with 95% confidence limits. The effects of age, sex and a calendar year on DCI incidence were tested with logistic regression (p<0.05). RESULTS: There were 1,401,864 insured member-years and 3,183 DCS cases. The overall rate was 227 (95%CI: 219-235). DCS rates were significantly associated with year, age, and sex. Annual rates steadily declined from 285 (258-313) in 2000 to 186 (166-206) in 2007. Rates were higher in males (247; 237-258) than in females (192; 180-204). The relative risk for males in comparison to females was 1.29 (1.196-1.30). The difference was not significant in the over 40 age group and in teenagers. With the exception of teenagers, rates declined with older age and became similar for both genders. CONCLUSIONS: Our data were derived from secondary insurance claims and DCS rates may be underestimated. On the other hand, the desire for complete cost recovery by treated divers may reduce underreporting and provide closer estimates of DCS rates than for self-reported data. We did not have information about dive exposures which may have affected differences related to age and sex.
Description: Abstract of the Undersea and Hyperbaric Medical Society, Inc. Annual Scientific Meeting, Las Vegas, Nevada, USA. (http://www.uhms.org)
URI: http://archive.rubicon-foundation.org/9224
Date: 2009

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  • UHMS Meeting Abstracts
    This is a collection of the published abstracts from the Undersea and Hyperbaric Medical Society (UHMS) annual meetings.

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