Table 2.
Baseline characteristics of the study cohort.
| MVS (Total) n = 517 |
MT-MVS n = 274 |
PS-MVS n = 115 |
FS-MVS n = 128 |
p-Value | |
|---|---|---|---|---|---|
| Age (years) 1 | 75 (72–78) | 74 (63–77) | 76 (72–79) | 75 (72–79) | 0.006 |
| Gender, females (%, n) | 56.5 (292) | 52.6 (144) | 58.3 (67) | 62.5(80) | 0.154 |
| Primary MV disease (%, n) | 82.6 (427) | 79.9 (219) | 87.8 (101) | 83.6 (107) | 0.163 |
| BSA (m2) | 1.80 (1.66–1.94) | 1.80 (1.70–2.0) | 1.77 (1.62–1.94) | 1.74 (1.63–1.87) | <0.001 |
| DM (%, n) | 36.2 (187) | 52.9 (145) | 18.3 (21) | 16.4 (21) | <0.001 |
| IDDM (%, n) | 4.6 (24) | 6.2 (17) | 2.6 (3) | 3.1 (4) | 0.191 |
| Art.hypertension (%, n) | 65.8 (340) | 52.9 (145) | 81.7 (94) | 78.9 (101) | <0.001 |
| COPD ≥ GOLD 2 (%, n) | 18.4 (95) | 30.5 (51) | 35.4 (58) | 30.5 (50) | <0.001 |
| PAOD (%, n) | 2.3 (12) | 0.7 (2) | 6.1 (7) | 2.3 (3) | 0.006 |
| Dialysis (%, n) | 0.4 (2) | 0 | 1.7 (2) | 0 | 0.030 |
| Smoking history (%, n) | 9.5 (49) | 5.1 (14) | 16.5 (19) | 12.5 (16) | <0.001 |
| HLP (%, n) | 39.1 (202) | 28.8 (79) | 53.9 (62) | 47.7 (61) | <0.001 |
| Prev.CVE (%, n) | 4.1 (21) | 1.5 (4) | 7 (8) | 7 (9) | 0.006 |
| EuroSCORE2 (%) 1 | 3.10 (1.80–4.73) | 2.20 (1.31–3.70) | 3.70 (2.51–5.20) | 4.21 (3.15–6.43) | <0.001 |
| LV-EF (%) 1 | 60 (51–64) | 60 (52–64) | 58 (50–65) | 57 (50–63) | 0.114 |
| NYHA III (%, n) | 56.1 (290) | 51.8 (142) | 61.7 (71) | 60.2 (77) | 0.112 |
| NYHA IV (%, n) | 5.0 (26) | 3.3 (9) | 8.7 (10) | 5.5 (7) | 0.081 |
| i-Afib (%, n) | 42.4 (219) | 37.2 (102) | 43.5 (50) | 52.3 (67) | 0.016 |
| p-Afib (%, n) | 15.3 (79) | 9.5 (26) | 25.2 (29) | 21.1 (27) | <0.001 |
| sPAP > 55 mmHg (%, n) | 15.3 (79) | 5.1 (14) | 32.1 (34) | 32 (31) | <0.001 |
| NT-proBNP (ng/l) 1 | 1218 (550–2133) | 1148 (472–1800) | 1410 (705–2979) | 1220 (723–2431) | 0.004 |
Abbreviations: BSA = body surface area; COPD = chronic obstructive pulmonary disease; CVE = cerebrovascular event; DM = diabetes mellitus; FS = full sternotomy; HLP = hyperlipidemia; IDDM = insulin-dependent diabetes mellitus; i-Afib = intermittent atrial fibrillation; LV-EF = left-ventricular ejection fraction; MT = mini thoracotomy, MV = mitral valve; MVS = mitral valve surgery; p-Afib = permanent atrial fibrillation; PAOD = peripheral arterial occlusive disease; PS = partial upper sternotomy; sPAP = systolic pulmonary artery pressure; 1 continuous variables are expressed as median and interquartile range.