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Table 1 Demographic data and diagnoses of patients

From: The right vertical infra-axillary incision for mitral valve replacement

Category Data
Age (range) 38.6 ± 8.2 (21~56)
Female 170 (66.4%)
New York Heart Association class  
Class I 46 (18%)
Class II 171 (66.8%)
Class III 38 (14.8%)
Class V 1 (0.4%)
Etiology  
Rheumatic valve disease 224 (87.5%)
Degeneration disease 32 (12.5%)
Atrial fibrillation 66 (25.6%)
Ejection fraction (range) 0.52 ± 0.11 (0.40-0.73)
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