MAXIMUM LIKELIHOOD ANALYSIS OF AIR AND HeO2 DIVES

Authors
  1. Tikuisis, P.
  2. Weathersby, P.K.
  3. Nishi, R.Y.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN);Naval Submarine Medical Research Lab, Groton CT (US)
Abstract
The method of maximum likelihood analysis was applied to data consisting of 1,949 man-dives, of which 1,041 were on air and 908 were on HeO2 mixtures. These dives represented a wide range of bottom time and depth combinations, and had an overall incidence of decompression sickness (DCS) of 4.64%. Several models, based on single exponential gas uptake in either one or two compartments, were tested for predicting the incidence of DCS. The criterion for defining the risk of DCS was based on the concept of potential gas volume (i.e., the volume of a bubble that could form and be in equilibrium with the remaining gas disolved in solution). This criterion takes into account the solubilities of the gases in solution, but can be adjusted to account only for the partial pressures of the gases. TRUNCATED
Report Number
DCIEM-91-19 — Technical Note; Reprint
Date of publication
01 Jan 1991
Number of Pages
7
Reprinted from
Aviat Space Environ Med, vol 62, 1991, p 425-431
DSTKIM No
91-03742
CANDIS No
70932
Format(s):
Hardcopy;Originator's fiche received by DSIS

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