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Table 1 Baseline patients’ characteristics

From: Mitral prosthetic size predictor in minimally invasive mitral valve replacement

VariablesNumber (n = 96)
Age (years), mean ± SD54.2 ± 9.5
Male, n (%)51 (53.1)
BMI21.9 ± 6.8
Comorbidities, n (%)
  + Hypertension, n (%)42 (43.8)
  + Type II diabetes mellitus, n (%)27 (28.1)
  + Preoperative atrial fibrillation, n (%)31 (32.3)
Etiology
  + Post rheumatic, n (%)39 (40.6)
  + Degenerative, n (%)57 (59.4)
TTE characteristics
 Mean ejection fraction (EF, %)58.4 ± 11.2
 Mitral regurigation57
 Mitral stenosis23
 Mitral stenosis and regurgitation16
NYHA classifications
  + NYHA I, n (%)7 (7.3)
  + NYHA II, n (%)79 (82.3)
  + NYHA III, n (%)9 (9.4)
  + NYHA IV, n (%)1 (1)
Types of prosthesis
  + Mechanical valve, n (%)46 (47.9)
  + Tissue valve n (%)50 (52.1)
 Valve size (mm), mean ± SD26.78 ± 3.36
  + Mechanical valve26.91 ± 3.4
  + Tissue valve26.67 ± 3.26
 Posterior leaflet preservation, n (%)94 (97.9%)