Table 3. Effects Of Pre-Operative Cardiac Parameters On ECG Rhythm At 6 Months.
Holter-ECG at 6 months | |||
AF (n = 17) (mean ± SD) | NSR (n = 59) (mean ± SD) | Test statistics | |
LA | 5.11 ± 0.74 | 4.98 ± 0.63 | z: –0.422; p: 0.673 |
LVEDD | 4.75 ± 1.30 | 5.06 ± 0.70 | t: –1,192; p: 0.238 |
LVESD | 3.38 ± 0.78 | 3.25 ± 0.81 | t: 0.534; p: 0.596 |
EF | 55.12 ± 9.79 | 55.07 ± 9.46 | t: 0.017; p: 0.987 |
PAP | 50.56 ± 14.16 | 46.70 ± 12.22 | t: 1.036; p: 0.304 |
LVEDP | 9.00 ± 5.24 | 10.77 ± 11.77 | t: –0.557; p: 0.580 |
MAXG* | 18.75 ± 2.81 | 17.43 ± 5.59 | t: 0.633; p: 0.532 |
MVA* | 1.55 ± 0.92 | 1.20 ± 0.81 | z: –0.773; p: 0.440 |
AF: atrial fibrillation; NSR: normal sinus rhythm; t: Student’s t-test; z: Mann-Whitney U-test; LA: left atrial diameter; LVEDD: left ventricular end-diastolic diameter; LVESD: left ventricular end-systolic diameter; EF: ejection fraction; PAP: pulmonary artery pressure; LVEDP: left ventricular end-diastolic pressure; MAXG: maximum gradient at mitral valve; MVA: mitral valve area. *Patients with mitral stenosis.