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Table 1 Preoperative, clinical, and perioperative variables of the patients

From: Mitral valve repair, how to make volume not matter; techniques, tendencies, and outcomes, a single center experience

Variable n (%)

No resection n = 142

Resection n = 58

P value

Preoperative variables

 Male sex

83 (58.4)

39 (67,2)

0,247

 Age years, median IQR

58 (48–66)

56 (48–66)

0,969

 Diabetes

9 (6,3)

1 (1,7)

0,287

 Dyslipidemia

18 (12,7)

11 (18,9)

0,252

 Dialysis

2 (1,4)

3 (5,2)

0,147

 Hypertension

59 (41,5)

20 (34,5)

0,354

 COPD

7 (4,9)

4 (6,9)

0,580

 Creatinine

1 (0,9-1,08)

0,95 (0,9–1)

0,821

 Previous myocardial infarction

0

3 (5,2)

0,023

 Previous cardiac operation

4 (2.8)

1 (1,7)

0,999

 NYHA functional class

  

0,079

  I

12 (8,7)

9 (17,3)

 

  II

99 (72,3)

36 (69,2)

 

  III

26 (19)

7 (13,5)

 

 Previous arrhythmia

48 (33,8)

19 (32,8)

0,887

 LVEF, median IQR

55 (50–60)

60 (51–65)

0,013

Perioperative variables

 Isolated ring annuloplasty

14 (9,8)

0 (0,0)

< 0,001

 Isolated MV repair

107 (75)

49 (84,5)

0,108

 Non-Isolated MV repair

35 (25)

9 (15,5)

0,235

  ASD closure

7 (4,9)

0 (0,0)

0,086

  Tricuspid repair

24 (16,9)

9 (15,5)

0,809

  Tricuspid replacement

1 (0,7)

0 (0,0)

0,001

  Tricuspid repair+ASD closure

3 (2,1)

0 (0,0)

0,013

 Minimally invasive

51 (35,9)

7 (12.1)

< 0,001

 ICU stay days

1 (1–4)

1 (1–3)

0,495

 Post ICU stay (days)

3 (2–5)

4 (3–5)

0,674

Degenerative MV pathology

 Posterior leaflet prolapse

47 (33,1)

35 (60,3)

0,004

 Anterior leaflet prolapse

23 (16,1)

4 (6,8)

0,079

 Bileaflet prolapse

17 (11,9)

3 (5,1)

0,144

 Elongated/ruptured chord(s)

29 (20,4)

10 (17,2)

0,604

 Annular dilation

25 (17,6)

2 (3,4)

0,014

 Unknown

1 (0,7)

4 (6,9)

0,011

Postoperative complications

 Reoperation for bleeding

0 (0,0)

2 (3,4)

0,083

 Renal impairment

2 (1,4)

0 (0,0)

0,503

 Hospital length of stay

8 (5–15)

8 (5–14)

0,906

 Mortality 30 days

0 (0,0)

0 (0,0)

 
  1. Categorical data are expressed as number (%) and continuous data as median (Interquartile range)
  2. COPD Chronic Obstructive Pulmonary Disease, ICU Intensive Care Unit, IQR Interquartile Range, LVEF Left Ventricular Ejection Fraction, NYHA New York Hear Association