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Table 1 Preoperative characteristics

From: Improved operative and recovery times with mini-thoracotomy aortic valve replacement

   Surgical Approach  
MT (n = 267) MS (n = 120) CS (n = 116) P-value
Patients, n (%) 267 (53) 120 (23.9) 116 (23)  
Age (y), median (IQR) 75 (67–81) 73.5 (66–80.5) 74 (62.5–80) 0.48
Gender 0.98
 Male, n (%) 153 (57.3) 69 (57.5) 68 (58.6)  
 Female, n (%) 114 (42.7) 51 (42.5) 48 (41.4)
STS Score (%), median (IQR) 2.1 (1.1–4) 2.7 (1.6–4.7) 3.0 (1.9–6.0) < 0.01
Current smoker, n (%) 14 (5.2) 8 (6.7) 12 (10.3) 0.02
Prior smoker, n (%) 128 (47.9) 66 (55) 56 (48.3) 0.26
Diabetic, n (%) 77 (28.8) 44 (36.7) 43 (37.1) 0.16
Hypertension, n (%) 240 (89.9) 105 (87.5) 95 (81.9) 0.1
Hyperlipidemia, n (%) 214 (80.1) 101 (84.2) 94 (81.0) 0.64
Chronic Renal Failure, n (%) 9 (3.4) 8 (6.7) 5 (4.3) 0.35
Cerebrovascular Disease, n (%) 38 (14.2) 21 (17.5) 16 (13.8) 0.66
Past Cerebrovascular Accident, n (%) 19 (7.12) 10 (8.3) 11 (9.5) 0.72
Congestive Heart Failure, n (%) 98 (36.7) 41 (34.2) 42 (36.2) 0.89
Ejection Fraction (%), median (IQR) 58 (53–60) 56 (48–63) 57 (49.5–63.3) 0.47
Aortic Stenosis, n (%) 246 (92.1) 109 (90.8) 101 (87.1) 0.14
Aortic Insufficiency 0.18
 None, n (%) 110 (41.2) 44 (36.7) 46 (39.7)  
 Trace, n (%) 17 (6.37) 13 (10.8) 9 (7.8)
 Mild, n (%) 50 (18.7) 34 (28.3) 31 (26.7)
 Moderate, n (%) 57 (21.3) 21 (17.5) 17 (14.7)
 Severe, n (%) 33 (12.4) 8 (6.7) 13 (11.2)
  1. Abbreviations: MT Mini-thoracotomy, MS Mini-sternotomy, CS conventional sternotomy, IQR interquartile range, STS Score Society of Thoracic Surgeons Score