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Table 1 Preoperative clinical data

From: Minimally invasive and conventional surgical treatment of primary benign cardiac tumors

Characteristic CMS group(n = 33) RAMT group(n = 17) P-value
Age(y) 54.45 ± 17.30 55.94 ± 18.24 0.752
Sex (female) 19 (57.6%) 12 (70.6%) 0.369
Weight (kg) 60.4 ± 15.7 54.1 ± 19.5 0.668
Patient history 0.024
 Acute (history <1w) 3 (9.1%) 6 (35.3%)  
 Subacute (1w – 1 m) 6 (18.2%) 0 (0.0%)  
 Chronic (history > 1 m) 24 (72.7%) 11 (64.7%)  
Arrhythmia 4 (12.1%) 3 (17.6%) 0.677
Preoperative stroke 5 (15.2%) 5 (29.4%) 0.239
Fever 2 (6.1%) 0 (0.0%) 0.542
Leukocyte increase 1 (3.0%) 1 (5.9%) 1.000
Non-cardiac disease 0.320
 Hypertension 4 (12.1%) 4 (23.5%)  
 Hypertension and diabetes 3 (9.1%) 0 (0.0%)  
 Other diseases 2 (6.1%) 0 (0.0%)  
Tumor site 0.544
 Left Atrium 26 (78.8%) 14 (82.4%)  
 Right Atrium 5 (15.2%) 3 (17.6%)  
 Left Ventricle 1 (23.0%) 0 (0.0%)  
 Right Ventricle 1 (3.0%) 0 (0.0%)  
Aortic insufficiency  
 Mild 2 (6.1%) 1 (5.9%) 0.980
Mitral insufficiency
 Mild 8 (24.2%) 5 (29.4%) 0.693
Tricuspid insufficiency 0.197
 Mild 8 (24.2%) 9 (52.9%)  
 Moderate 3 (9.1%) 1 (5.9%)  
 Severe 2 (6.1%) 0 (0.0%)  
EF(%) 61.1 ± 12.4 66.3 ± 4.6 0.386
FS(%) 33.2 ± 7.3 36.6 ± 3.7 0.550
LVEDD (mm) 45.5 ± 12.9 45.0 ± 6.8 0.319
LVESD (mm) 29.9 ± 8.9 27.6 ± 4.9 0.402
Estimated pulmonary arterial systolic pressure (mmHg) 23.4 ± 10.4 23.9 ± 6.2 0.586
  1. EF ejection fraction, FS fractional shortening, LVEDD left ventricular end diastolic diameter, LVESD left ventricular end systolic diameter