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To: vonhagen@ma*.ls*.su*.fr*
Subject: Re: DCI rate with Deco-table
From: "Curt Smitka" <Curt.Smitka@me*.um*.ed*>
Cc: "Techdiver" <techdiver@opal.com>
Date: 15 Feb 1995 09:25:44 -0500
                                                                 Reply Form
                      RE>DCI rate with Deco-tables                 2/15/95

A good reference for relative DCI risk would be:

Weathersby, P.K., Survanshi, S.S., Hays, J.R.,  AND MacCallum, M.E. 
STATISTICALLY BASED DECOMPRESSION TABLES III.  COMPARATIVE RISK USING U.S.
NAVY, BRITISH, AND CANADIAN STANDARD AIR SCHEDULES.  Naval Medical Research
Institute Technical Report No. 86-50.  Bethesda, MA, 1986.


--------------------------------------

hi all,

quite a while ago, someone posted a curve comparing the no decompression
limits of the new Navy tables (I can't tell which year) and PADI tables.
The Navy tables were supposed to yield 1 and 5 % DCI incidence respectively.

I compared the data of this graph with some other tables which are:
- the old Buehlmann-Hahn used in Germany
- the new Hahn tables of the year 92 used nowadays in Germany
- the BSAC tables (the newrer ones)
- the Comex Pro tables used by french commercial divers introduced in 1992

I haven't included the Marine Nationale 90 used by french divers, nor
the canadian table (I forgot the name). I also haven't done a comparison of
any repetitive dive nor of any decompression dive.

Well, when I see the graph I conclude that the NAVY 1% DCI tables offer the 
shortest no decompression limits.

Should one conclude that the other tables (so all tables I listed above)
yield a higher DCI rate than 1 %? So do you have to accept to get bend on
1 % of the dives?

Any thoughts?

juergen
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To: techdiver@opal.com
Subject: DCI rate with Deco-tables
Date: Wed, 15 Feb 95 10:59:13 +0000
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