Anton Cederwall, Björn E Rosengren, Henrik G Ahlborg
{"title":"1944 - 2020年孤立性大结节骨折的流行病学和时间趋势——瑞典Malmö的一项队列研究。","authors":"Anton Cederwall, Björn E Rosengren, Henrik G Ahlborg","doi":"10.1177/17585732251344547","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>Although up to 25% of proximal humeral fractures are isolated greater tuberosity fractures (IGTFs), comprehensive epidemiological data are lacking.</p><p><strong>Objectives: </strong>Describe the epidemiology and time trends of IGTF in Malmö, Sweden, 1944-2020.</p><p><strong>Methods: </strong>We identified IGTF in Malmö residents (≥18 years) by reviewing relevant radiology examinations during 17 sample years from 1944 to 2020. Fractures were classified according to the Mutch classification.</p><p><strong>Results: </strong>In total, 614 IGTF (60% women) were identified (mean age women 60 (SD 16), men 48 (SD 16)). Among individuals <50 years, the incidence was lower in women than men (9 95% confidence interval (CI) 7-10] vs 15 [95% CI 13-18] per 100,000 persons years) whereas the reverse was found in individuals ≥50 years (36 [95% CI 30-42] vs 19 [16-23]). No statistically significant time trends in the incidence rate were observed from year 1944 to 2020. We identified 45% avulsion-, 44% split- and 11% depression-fractures.</p><p><strong>Conclusions: </strong>IGTF is more common in men than women in age-group <50 years, while the opposite is found in age-group ≥50 years. No statistically significant time trend was observed in IGTF incidence from 1944 to 2020 in Malmö, Sweden.</p>","PeriodicalId":36705,"journal":{"name":"Shoulder and Elbow","volume":" ","pages":"17585732251344547"},"PeriodicalIF":1.1000,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12126461/pdf/","citationCount":"0","resultStr":"{\"title\":\"Epidemiology and time trends of isolated greater tuberosity fractures from 1944 to 2020 - A cohort study in Malmö, Sweden.\",\"authors\":\"Anton Cederwall, Björn E Rosengren, Henrik G Ahlborg\",\"doi\":\"10.1177/17585732251344547\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>Although up to 25% of proximal humeral fractures are isolated greater tuberosity fractures (IGTFs), comprehensive epidemiological data are lacking.</p><p><strong>Objectives: </strong>Describe the epidemiology and time trends of IGTF in Malmö, Sweden, 1944-2020.</p><p><strong>Methods: </strong>We identified IGTF in Malmö residents (≥18 years) by reviewing relevant radiology examinations during 17 sample years from 1944 to 2020. Fractures were classified according to the Mutch classification.</p><p><strong>Results: </strong>In total, 614 IGTF (60% women) were identified (mean age women 60 (SD 16), men 48 (SD 16)). Among individuals <50 years, the incidence was lower in women than men (9 95% confidence interval (CI) 7-10] vs 15 [95% CI 13-18] per 100,000 persons years) whereas the reverse was found in individuals ≥50 years (36 [95% CI 30-42] vs 19 [16-23]). No statistically significant time trends in the incidence rate were observed from year 1944 to 2020. We identified 45% avulsion-, 44% split- and 11% depression-fractures.</p><p><strong>Conclusions: </strong>IGTF is more common in men than women in age-group <50 years, while the opposite is found in age-group ≥50 years. No statistically significant time trend was observed in IGTF incidence from 1944 to 2020 in Malmö, Sweden.</p>\",\"PeriodicalId\":36705,\"journal\":{\"name\":\"Shoulder and Elbow\",\"volume\":\" \",\"pages\":\"17585732251344547\"},\"PeriodicalIF\":1.1000,\"publicationDate\":\"2025-05-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12126461/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Shoulder and Elbow\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1177/17585732251344547\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"ORTHOPEDICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Shoulder and Elbow","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1177/17585732251344547","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ORTHOPEDICS","Score":null,"Total":0}
Epidemiology and time trends of isolated greater tuberosity fractures from 1944 to 2020 - A cohort study in Malmö, Sweden.
Background: Although up to 25% of proximal humeral fractures are isolated greater tuberosity fractures (IGTFs), comprehensive epidemiological data are lacking.
Objectives: Describe the epidemiology and time trends of IGTF in Malmö, Sweden, 1944-2020.
Methods: We identified IGTF in Malmö residents (≥18 years) by reviewing relevant radiology examinations during 17 sample years from 1944 to 2020. Fractures were classified according to the Mutch classification.
Results: In total, 614 IGTF (60% women) were identified (mean age women 60 (SD 16), men 48 (SD 16)). Among individuals <50 years, the incidence was lower in women than men (9 95% confidence interval (CI) 7-10] vs 15 [95% CI 13-18] per 100,000 persons years) whereas the reverse was found in individuals ≥50 years (36 [95% CI 30-42] vs 19 [16-23]). No statistically significant time trends in the incidence rate were observed from year 1944 to 2020. We identified 45% avulsion-, 44% split- and 11% depression-fractures.
Conclusions: IGTF is more common in men than women in age-group <50 years, while the opposite is found in age-group ≥50 years. No statistically significant time trend was observed in IGTF incidence from 1944 to 2020 in Malmö, Sweden.
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