Report on Decompression Illness, Diving Fatalities and Project Dive

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Section 2 - Project Dive Exploration (PDE)Figure 2.6-2 shows the percentage of dives in the 2003 PDE datasetwith reported decompression or safety stops. A safety stop wasreported for 72 percent of all dives collected in 2003. This was anincrease compared with the five-year sample. Liveaboard diversreported the highest percentage (87 percent) of dives with a safetystop and the lowest percentage of dives with required decompressionstop (less than 1 percent) (Table 2.6-2). Divers at Scapa Flow(CWWD subgroup) reported that 37 percent of the dives requireddecompression stops. Some of them have used oxygen rich gasmix for decompression.Figure 2.6-2Decompressionprocedures.SubgroupDecompression Cold-Water RecreationalLiveaboard Beach and and Wreck DiveDay Boat Diving ProfessionalsSafety Stop 86.4 59.5 52.6 25.3In Water 0.7 5.9 36.5 2.8None 5.5 24.7 9.8 8.2Not <strong>Report</strong>ed 7.3 10.0 1.1 63.6Table 2.6-2Percent of diveswith decompressionor safety stop infour PDE subgroups.DAN’s <strong>Report</strong> on Decompression Illness, Diving Fatalities and Project Dive Exploration: 2005 Edition 37
Section 2 - Project Dive Exploration (PDE)Figure 2.6-3Percentageof the PDEsample reportingthe indicateddive work rate.The subjective work rate in the majority of dives was light. Only in2 percent of all dives did the diver report a heavy work rate. TheCWWD divers reported on average the highest work rate with 36percent of dives being in the moderate category (Table 2.6-3).Table 2.6-3<strong>Report</strong>ed workrate in four PDEsubgroups(percent of dives)SubgroupWork Rate Cold-Water RecreationalLiveaboard Beach and and Wreck DiveDay Boat Diving ProfessionalsLight 74.7 75.3 60.2 24.6Moderate 15.8 15.3 35.7 10.7Heavy 2.1 1.8 2.8 0.8Not <strong>Report</strong>ed 7.4 7.6 1.3 63.9Figure 2.6-4 illustrates the reported thermal comfort of the diversin our sample. Most divers indicated they were comfortable.<strong>Report</strong>s of being outside of thermal comfort zone came most frequentlyfrom CWWD divers dressed in drysuits. These diversreported being cold on 15 percent of dives and warm on 19 percentof dives. The cold was frequently caused by leaking drysuits.Thermal status was most commonly not reported by theRecreational Dive Professionals group.38DAN’s <strong>Report</strong> on Decompression Illness, Diving Fatalities and Project Dive Exploration: 2005 Edition
Page 2 and 3: Report on Decompre
Page 4 and 5: DAN Regions and Regional Coordinato
Page 6 and 7: DAN - Your DiveSafety AssociationDA
Page 8 and 9: DAN - Your Dive Safety AssociationD
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Page 14 and 15: DAN - Your Dive Safety AssociationA
Page 16 and 17: DAN - Your Dive Safety AssociationD
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Page 20 and 21: 1. INTRODUCTIONDivers Alert Network
Page 22 and 23: Section 1. Introduction1.3 Diving F
Page 24 and 25: 2.2 PDE 2003This report includes da
Page 26 and 27: Section 2 - Project Dive Exploratio
Page 32 and 33: Figure 2.4-2 describes the breathin
Page 34 and 35: Figures 2.5-2 and 2.5-3 indicate th
Page 36 and 37: Towards the end of the series, PDE
Page 44 and 45: Case #2The diver was a 29-year-old
Page 46 and 47: 3. Dive InjuriesSection 3 - Dive In
Page 48 and 49: Section 3 - Dive InjuriesFigure 3.1
Page 50 and 51: Section 3 - Dive Injuriesmost sever
Page 52 and 53: Section 3 - Dive Injuries3.3 Physic
Page 54 and 55: Section 3 - Dive Injuries3.4 Charac
Page 56 and 57: Section 3 - Dive InjuriesDays in Di
Page 66 and 67: Section 3 - Dive InjuriesCase (diag
Page 68 and 69: 4. Dive FatalitiesDeath while divin
Page 70 and 71: Section 4 - Dive FatalitiesFigure 4
Page 74 and 75: Section 4 - Dive FatalitiesOur data
Page 80 and 81: Section 4 - Dive Fatalities4.4-1Dis
Page 82 and 83: Figure 4.4-2Report
Page 84 and 85: Section 4 - Dive FatalitiesConclusi
Page 86 and 87: Figure 5.1-2 shows the proportion o
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Figure 5.1-6 shows a comparison of
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Figures 5.2-3 and 5.2-4 show how th
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6. Breath-HoldingIncidents6.1 Intro
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Section 6 - Breath-Holding Incident
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Appendix A: Dive Injury Case <stron
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Appendix A: Injury Case Rep
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Appendix B: Dive Fatality Case <str
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Appendix B: Fatality Case R
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Appendix C: Breath-Hold IncidentCas
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Appendix C: Breath-Holding Incident
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Glossarymatical models to compute d
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GlossaryRepresentative SampleA grou
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2004 Publications2004 PublicationsR
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NotesDAN’s Report</strong
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The only 24-hour, worldwide dive em
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