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Scuba Diving/Data: Difference between revisions

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<riskdata table="Fatality" columns="RatePerMillionDives">1.8</riskdata>
<riskdata table="FatalityRates" columns="AgeGroup|Sex|RatePer100000">10-19|Male|7\n10-19|Female|0\n20-29|Male|10\n20-29|Female|0\n30-39|Male|11\n30-39|Female|2\n40-49|Male|22\n40-49|Female|7\n50-59|Male|30\n50-59|Female|16\n60+|Male|33\n60+|Female|29</riskdata>
This table provides the fatality rate per million recreational dives from a peer-reviewed study on epidemiology of morbidity and mortality in US and Canadian recreational scuba diving. The timeframe is per dive.
This table provides fatality rates per 100,000 DAN-insured divers per year, broken down by age group and sex. The timeframe is annual, assuming active diving participation among insured members (typically more committed divers). Note that rates of 0 indicate no fatalities recorded in the study sample for that group, but actual risk may be small rather than zero.
* Reference: [https://pubmed.ncbi.nlm.nih.gov/29306625/ Buzzacott P, Schiller D, Crain J, Denoble PJ. Epidemiology of morbidity and mortality in US and Canadian recreational scuba diving. Public Health. 2018 Feb;155:62-68.]
* Denoble PJ, Pollock NW, Vaithiyanathan P, Caruso JL, Dovenbarger JA, Vann RD. Scuba injury death rate among insured DAN members. Diving Hyperb Med. 2008 Dec;38(4):182-8. PMID: 22692749. https://www.dhmjournal.com/images/IndividArticles/38Dec/Denoble_dhm.38.4.182-188.pdf


<riskdata table="SeriousInjury" columns="RatePer100000Dives">38.3</riskdata>
<riskdata table="ExposureLevels" columns="ExposureLabel|NumberOfYears">1 year|1\n10 years|10\n50 years|50</riskdata>
This table provides the estimated rate of serious injuries (emergency department presentations for scuba injuries) per 100,000 dives, derived verbatim from the ratio of deaths to ED presentations in the source (calculation handled in model). The timeframe is per dive.
This table provides options for exposure periods to approximate cumulative risk over multiple years (using linear approximation suitable for small probabilities). No specific source, as it is for user selection.
* Reference: [https://pubmed.ncbi.nlm.nih.gov/29306625/ Buzzacott P, Schiller D, Crain J, Denoble PJ. Epidemiology of morbidity and mortality in US and Canadian recreational scuba diving. Public Health. 2018 Feb;155:62-68.]


<riskdata table="DCS" columns="RatePer100000Dives">5.72</riskdata>
<riskmodel name="FatalityRisk" calculation="RatePer100000 / 100000 * NumberOfYears">Your scuba diving fatality risk is about {{One_In_X|{result}}} over the selected exposure period.</riskmodel>
This table provides the treated decompression sickness rate per 100,000 dives from a Divers Alert Network report. The timeframe is per dive.
* Reference: [https://activesafe.ca/wp-content/uploads/2018/05/Scuba.pdf Vann RD, Butler FK, Mitchell SJ, Moon RE. Decompression illness. Lancet. 2011 Jan 8;377(9760):153-64.]
 
<riskdata table="Experience" columns="ExperienceLevel|FatalityMult|InjuryMult|DCSMult">Less than 20 dives|5|5|5\nMore than 20 dives|1|1|1</riskdata>
This table provides estimated multipliers for risks based on diver experience, derived from the proportion of fatalities (~50%) among novices and an estimated 10% of dives by novices, yielding a relative risk of 5 times for novices. Applied to all risks. The timeframe is per dive.
* Reference: [https://divermag.com/fatalities-inexperience-a-big-factor/ DIVER magazine on fatalities and inexperience]
* Reference: [https://dan.org/alert-diver/article/the-effect-of-experience-on-risk/ DAN on the effect of experience on risk]
 
<riskdata table="Gender" columns="Gender|FatalityMult|InjuryMult|DCSMult">Male|2.8|2.8|2.6\nFemale|1|1|1</riskdata>
This table provides multipliers for risks based on gender, with men at 2.8 times the fatality and injury risk of women, and 2.6 times for DCS. The timeframe is per dive.
* Reference: [https://dan.org/alert-diver/article/womens-health-in-diving/ DAN on women's health in diving, citing Denoble PJ et al. Diving and Hyperb Med. 2008;38(4):182-188.]
* Reference: [https://pubmed.ncbi.nlm.nih.gov/12182213/ St Leger Dowse M et al. Comparative data from 2250 male and female sports divers: diving patterns and decompression sickness. Aviat Space Environ Med. 2002 Aug;73(8):743-9.]
 
<riskmodel name="Fatality" calculation="(RatePerMillionDives / 1000000) * Experience.FatalityMult * Gender.FatalityMult">Your fatality risk is about {{One_In_X|{result}}} per dive.</riskmodel>
<riskmodel name="Serious Injury" calculation="(RatePer100000Dives / 100000) * Experience.InjuryMult * Gender.InjuryMult">Your serious injury risk is about {{One_In_X|{result}}} per dive.</riskmodel>
<riskmodel name="DCS" calculation="(RatePer100000Dives / 100000) * Experience.DCSMult * Gender.DCSMult">Your decompression sickness risk is about {{One_In_X|{result}}} per dive.</riskmodel>


Initially created by Grok 4.
Data and risk models are used on the [[Scuba Diving|main page]].
Data and risk models are used on the [[Scuba Diving|main page]].
Initially created by Grok 4.

Revision as of 19:39, 12 September 2025

RiskData Error: Bad data row "10-19|Male|7\n10-19|Female|0\n20-29|Male|10\n20-29|Female|0\n30-39|Male|11\n30-39|Female|2\n40-49|Male|22\n40-49|Female|7\n50-59|Male|30\n50-59|Female|16\n60+|Male|33\n60+|Female|29", expecting 3 values (got 25)

This table provides fatality rates per 100,000 DAN-insured divers per year, broken down by age group and sex. The timeframe is annual, assuming active diving participation among insured members (typically more committed divers). Note that rates of 0 indicate no fatalities recorded in the study sample for that group, but actual risk may be small rather than zero.

RiskData Error: Bad data row "1 year|1\n10 years|10\n50 years|50", expecting 2 values (got 4)

This table provides options for exposure periods to approximate cumulative risk over multiple years (using linear approximation suitable for small probabilities). No specific source, as it is for user selection. 

  RiskModel: Scuba Diving/Data:FatalityRisk
    Content: Your scuba diving fatality risk is about {{One_In_X|{result}}} over the selected exposure period.

Initially created by Grok 4. Data and risk models are used on the main page.

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