Prevalence of doctor-diagnosed thumb carpometacarpal joint osteoarthritis: an analysis of Swedish health care. Moriatis Wolf, J., Turkiewicz, A., Atroshi, I., & Englund, M. 66(6):961--965.
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OBJECTIVE: While the prevalence of radiographic thumb carpometacarpal (CMC1) osteoarthritis (OA) is well-described, little is known about clinically symptomatic disease presenting to physicians for care. We sought to determine the prevalence of doctor-diagnosed CMC1 OA. METHODS: Using health care data from Skane in southern Sweden (population 1.24 million), we identified all adults ages \textgreater20 years who consulted a physician at least once and received a diagnosis for CMC1 OA (International Classification of Diseases, Tenth Revision, code M18). Data from the 15-year period 1998-2012 were analyzed. Using cross-referencing with the Swedish population register to exclude subjects who were deceased or had relocated, we obtained point estimates of the proportion of the population consulting for CMC1 OA. RESULTS: The prevalence of doctor-diagnosed CMC1 OA in adults was estimated at 1.4% (2.2% in women and 0.62% in men). The mean+/-SD age in the prevalent CMC1 cohort (n=11,111) was 67.7+/-11.4 years; 78.5% of diagnoses were in women. Prevalence peaked in women ages 70-74 years with an estimate of 5.3% and in men ages 80-84 years with an estimate of 1.7%. Age at initial diagnosis also differed, with women presenting between ages 60-69 years and men presenting between ages 70-79 years. CONCLUSION: The clinically important prevalence of CMC1 OA is 3 to 4 times higher in women than men. By the end of2012, more than 1 in 20 elderly women had consulted a physician for CMC1 OA over the last 15 years. The high prevalence of this subset of hand OA is a concern in an aging population.
@article{moriatis_wolf_prevalence_2014,
	title = {Prevalence of doctor-diagnosed thumb carpometacarpal joint osteoarthritis: an analysis of Swedish health care.},
	volume = {66},
	issn = {2151-4658 2151-464X},
	doi = {10.1002/acr.22250},
	abstract = {{OBJECTIVE}: While the prevalence of radiographic thumb carpometacarpal ({CMC}1) osteoarthritis ({OA}) is well-described, little is known about clinically symptomatic disease presenting to physicians for care. We sought to determine the prevalence of doctor-diagnosed {CMC}1 {OA}. {METHODS}: Using health care data from Skane in southern Sweden (population 1.24 million), we identified all adults ages {\textgreater}20 years who consulted a physician at least once and received a diagnosis for {CMC}1 {OA} (International Classification of Diseases, Tenth Revision, code M18). Data from the 15-year period 1998-2012 were analyzed. Using cross-referencing with the Swedish population register to exclude subjects who were deceased or had relocated, we obtained point estimates of the proportion of the population consulting for {CMC}1 {OA}. {RESULTS}: The prevalence of doctor-diagnosed {CMC}1 {OA} in adults was estimated at 1.4\% (2.2\% in women and 0.62\% in men). The mean+/-{SD} age  in the prevalent {CMC}1 cohort (n=11,111) was 67.7+/-11.4 years; 78.5\% of diagnoses were in women. Prevalence peaked in women ages 70-74 years with an estimate of 5.3\% and in men ages 80-84 years with an estimate of 1.7\%. Age at initial diagnosis also differed, with women presenting between ages 60-69 years and men presenting between ages 70-79 years. {CONCLUSION}: The clinically important prevalence of {CMC}1 {OA} is 3 to 4 times higher in women than men. By the end of2012, more than 1 in 20 elderly women had consulted a physician for {CMC}1 {OA} over the last 15 years. The high prevalence of this subset of hand {OA} is a concern in an aging population.},
	pages = {961--965},
	number = {6},
	journaltitle = {Arthritis care \& research},
	shortjournal = {Arthritis Care Res (Hoboken)},
	author = {Moriatis Wolf, Jennifer and Turkiewicz, Aleksandra and Atroshi, Isam and Englund, Martin},
	date = {2014-06},
	pmid = {24339432},
	keywords = {*Physician's Role, Adult, Aged, Aged, 80 and over, Carpometacarpal Joints/*pathology, Cross-Sectional Studies, Delivery of Health Care/methods/*standards, Female, Humans, Male, Middle Aged, Osteoarthritis/*diagnosis/*epidemiology/therapy, Prevalence, Sweden/epidemiology, Thumb/*pathology, Young Adult}
}

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