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Sex differences in clinical characteristics and inpatient outcomes among 2442 hospitalized Chinese patients with nonvalvular atrial fibrillation: The Nanchang Atrial Fibrillation Project.

Abstract：

BACKGROUND:Limited data exists on the impact of sex on clinical characteristics and outcomes among nonvalvular AF patients from China. We investigated the impact of gender on risk factors and inpatient mortality in a hospitalized nonvalvular AF cohort in Nanchang, China. METHODS:We studied consecutive patients hospitalized with nonvalvular AF between May 2011 and December 2013. Predictors of inpatient mortality were evaluated using multivariate regression analyses. RESULTS:We studied 2442 patients (43.7% female; mean age 71.8), with a median hospital stay of 10 days (IQR: 7-14). Inpatient mortality was 2.2%. Mean age, CHADS2 and CHA2DS2-VASc scores were higher in females vs. males (all p<0.0001). Oral anticoagulation use during hospitalization was 33.3% without sex differences, and length of stay and inpatient outcomes were comparable between sexes. On multivariate analyses, the significant risk factors of inpatient death in females were previous ischemic stroke/transient ischemic attack (TIA)/thromboembolism (TE) (Odds Ratio (OR): 2.27; 95% Confidence Intervals (CI): 1.43-3.61), peripheral artery disease (OR: 5.75, 95% CI: 1.49-22.16) and chronic renal disease (OR: 5.68, 95% CI: 1.46-22.13). Among males, only age (OR: 1.06, 95% CI: 1.02-1.11) and previous ischemic stroke/TIA/TE (OR: 1.81, 95% CI: 1.25-2.63) were independent predictors of inpatient mortality. CONCLUSION:Sex related differences in clinical characteristics and stroke risk profile were evident in Chinese nonvalvular AF patients, but no sex disparity was evident in the low antithrombotic therapy use or inpatient mortality. Previous ischemic stroke/TIA/TE was an important predictor of inpatient mortality in both female and male patients.

journal_name

Int J Cardiol

journal_title

International journal of cardiology

authors

Xiong Q,Shantsila A,Lane DA,Zhou Q,Liu Y,Shen Y,Cheng X,Hong K,Lip GY

doi

10.1016/j.ijcard.2015.08.076

subject

Has Abstract

pub_date

2015-12-15 00:00:00

pages

195-9

eissn

0167-5273

issn

1874-1754

pii

S0167-5273(15)30304-1

journal_volume

201

pub_type

杂志文章

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Sex differences in clinical characteristics and inpatient outcomes among 2442 hospitalized Chinese patients with nonvalvular atrial fibrillation: The Nanchang Atrial Fibrillation Project.