Table 1 Characteristics of patients in TEE pre-measurement group and direct measurement group

Number of patients

26

22

Male: female ratio

18:8 (69%:31%)

17:5 (77%:23%)

0.532

Age (years)

45 ± 16

40 ± 18

0.236

Leaflet involved

0.627

  Anterior leaflet

8 (31%)

6 (27%)

  Posterior leaflet

14 (54%)

10 (45%)

  Bi-leaflet

4 (15%)

5 (23%)

  Commissure

0

1 (5%)

Etiology of MR

0.858

  Mucoid degeneration

20 (77%)

16 (73%)

  Barlow's disease

3 (11.5%)

2 (9%)

  CHD

2 (7.7%)

2 (9%)

  RHD

1 (3.8%)

1(4.5%)

  SBE

0

1(4.5%)

Preoperative AMJR (cm²)

14.8 ± 3.9

15.0 ± 5.0

0.729

Preoperative MR grade

3.2 ± 0.5

3.3 ± 0.6

0.844