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Research ArticleResearch

Clustering of opioid prescribing and opioid-related mortality among family physicians in Ontario

Irfan A. Dhalla, Muhammad M. Mamdani, Tara Gomes and David N. Juurlink
Canadian Family Physician March 2011, 57 (3) e92-e96;
Irfan A. Dhalla
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  • For correspondence: dhallai@smh.ca
Muhammad M. Mamdani
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Tara Gomes
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David N. Juurlink
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    Figure 1.

    Rate of opioid prescribing and final prescriptions before death, by physician prescribing frequency: The bars represent the number of opioid prescriptions per 1000 eligible patients issued by physicians in each quintile; the dashed line represents the number of final opioid prescriptions before death issued by physicians in each quintile.

    *The number of final opioid prescriptions before death corresponding to the bottom 2 quintiles has been suppressed for privacy reasons because there were 5 or fewer in each category.

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    Table 1.

    Physician characteristics across physician prescribing quintiles: Male sex (P = .003), older age (P < .001), and a greater number of years in practice (P < .001) were associated with greater opioid prescribing.

    CHARACTERISTICLOWEST VOLUME QUINTILE (N = 1977)SECOND-LOWEST VOLUME QUINTILE (N = 1978)MIDDLE QUINTILE (N = 1980)SECOND-HIGHEST VOLUME QUINTILE (N = 1979)HIGHEST VOLUME QUINTILE (N = 1978)
    Male sex, %5865666871
    Mean age, y48.447.047.149.050.5
    Mean no. of years in practice22.821.421.523.424.9
    Mean no. of patients eligible for public drug plan coverage343374404433424
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Canadian Family Physician: 57 (3)
Canadian Family Physician
Vol. 57, Issue 3
1 Mar 2011
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Clustering of opioid prescribing and opioid-related mortality among family physicians in Ontario
Irfan A. Dhalla, Muhammad M. Mamdani, Tara Gomes, David N. Juurlink
Canadian Family Physician Mar 2011, 57 (3) e92-e96;

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Clustering of opioid prescribing and opioid-related mortality among family physicians in Ontario
Irfan A. Dhalla, Muhammad M. Mamdani, Tara Gomes, David N. Juurlink
Canadian Family Physician Mar 2011, 57 (3) e92-e96;
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