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Abstract Artículo a comentar

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Abstract del artículo para comentar durante el curso de metodología de la investigación

Abstract del artículo para comentar durante el curso de metodología de la investigación

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  • 1. Aten Primaria. 2006 Apr 15;37(6):325-31. [Study of unmatched cases and controls: hyperhomocysteinaemia and chronic ischaemic cardiopathy] [Article in Spanish] Gallego-Luis R, Ruiz-García A, Gordillo-López FJ, Díaz-Puente MV, Esteban J, Gil de Miguel A.Unidad de Lípidos y Prevención Cardiovascular, Area 10 Atención Primaria IMSALUD, Madrid, Spain. Abstract OBJECTIVE: To evaluate the extent of the association between hyperhomocysteinaemia and chronic ischaemic heart disease. DESIGN: Unmatched, case-control (1:3) study. SETTING: Pintores Health Centre, Area 10, Primary Care, Madrid, Spain. PARTICIPANTS: Patients of the health centre over 35 with chronic ischaemic heart disease or without it. METHOD: Consecutive, non-randomized sample. Analysis of cases and controls with chi2 test and odds ratio (OR). The quantitative variables were analysed with the Student's t test. RESULTS: The 76.32% (87/114) of cases had 2 or more cardiovascular risk factors versus 33.56% (99/265) in the control group (P<.0001). Average homocysteinaemia was 10.07 micromol/L (SD, 3.64) in the control group; and 12.74 (SD, 4.59) in the cases group. The difference between the averages (2.67 micromol/L; 95% CI, 1.82- 3.52) was significant (P<.001). The difference (16.07%; 95% CI, 6.91-25.23) in hyperhomocysteinaemia (> or =15 micromol/L) between cases (28.95%, 33/114) and controls (12.88%, 38/295) was significant (P=.0001), with an association between hyperhomocysteinaemia and chronic ischaemic heart disease (OR=2.76; 95% CI, 1.62- 4.68). This association increased (OR=3.26; 95% CI, 2.07-5.13) when hyperhomocysteinaemia was taken as > or =12 micromol/L, with a significant difference of 27% (95% CI, 16.59-37.41) (P<.0001) between cases (51.75%, 59/114) and controls (24.75%, 73/295). CONCLUSIONS: The risk factor of hyperhomocysteinaemia > or =15 micromol/L was significantly associated (OR=2.76) with chronic ischaemic heart disease. This association was greater (OR=3.26) when hyperhomocysteinaemia was taken as > or =12 micromol/L. PMID: 16733005 [PubMed - indexed for MEDLINE]Free Article

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