USE OF THE MAXIMUM LIKELIHOOD METHOD IN THE ANALYSIS OF CHAMBER AIR DIVES

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Authors
  1. Tikuisis, P.
  2. Nishi, R.Y.
  3. Weathersby, P.K.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN);Naval Submarine Medical Research Lab, Groton CT (US);Naval Medical Research Inst, Bethesda MD (US)
Abstract
The method of maximum likelihood was used to evaluate the risk of decompression sickness (DCS) for selected chamber air dives. The parameters of two mathematical models for predicting DCS were optimized until the best agreement (as measured by maximum likelihood) corresponding to the observed DCS incidents from a series of dives was attained. The decompression data used consisted of 800 man-dives with 21 incidents of DCS and 6 occurrences of marginal symptoms. The first model investigated was based on a nonlinear gas exchange in a series arrangement of four compartments. The second model was based on a monoexponential gas exchange in a parallel arrangement of two compartments.
Report Number
DCIEM-88-P-20 — Reprint; Research Paper
Date of publication
01 Jan 1988
Number of Pages
13
Reprinted from
Undersea Biomedical Research, vol 15, no 4, 1988, p 301-313
DSTKIM No
88-04210
CANDIS No
57415
Format(s):
Electronic Document(PDF)

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