MAY 2022 33 In 2020, circulatory system diseases, in general, caused 34,593 deaths, increasing by 2.9% compared to the previous year. However, they lost importance in relative terms (1.9 p.p. less than the previous year and 1.0 p.p. less than in 2018). Within this group, cerebrovascular diseases, also known as cerebrovascular accidents (strokes), despite also losing relative importance, remained the main cause of death in 2020 (9.2%) at their level of disaggregation. However, the relative importance of strokes this year only decreased because the increase in their number (+4.2% compared to the previous year) was far exceeded by the growth in deaths in general (+10.1% compared to 2019). On the other hand, still in terms of diseases of the circulatory system, there were fewer deaths from ischaemic heart disease (6,838 deaths) and acute myocardial infarction (4,086 deaths), in both cases 4.4% fewer than in 2019. Mortality rate by sex in 2020 Average age at time of death by sex in 2020 76.4 62.5 0 10 20 30 40 50 60 70 80 90 Men Women per 100 thousand 79.9 83.4 0 10 20 30 40 50 60 70 80 90 Men Women age Respiratory diseases, in general, caused fewer deaths in 2020 than in 2019 (from 12,243 to 11,266, i.e., -8.0%). In this context, the 4,359 deaths caused by pneumonia stand out, although the reduction of 7.3% observed compared to the previous year continues the downward trend in its share in the total number of deaths (5.1%, 4.2%, and 3.5% of the mortality that occurred in 2018, 2019 and 2020, respectively). Deaths caused by malignant tumours of the trachea, bronchus, and lung also declined, both in absolute (4,318, down by 2.0% compared to 2019) and relative terms (3.5%, down by 0.4 p.p. from the previous year). In turn, malignant tumours of the colon, rectum, and anus accounted for 3.1% of mortality in 2020 (3.4% in 2019), with 3,810 deaths. Deaths by selected causes of death in 2020 3,810 4,086 4,116 4,318 4,359 6,838 7,125 11,439 Malignant neoplasm of colon, rectum, and anus Acute myocardial infarc�on Mellitus diabetes Malignant neoplasm of trachea, bronchus, lung Pneumonia Ischaemic heart diseases COVID-19 Cerebrovascular diseases 0 2,000 4,000 6,000 8,000 10,000 12,000 More information is available at: Causes of death – 2020, provisional results 16 May 2022
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