Table 3.
Postoperative characteristics of patients and pulmonary complications according to the study groups after matching
| Overall patients after propensity score-matching | Patients after propensity score-matching | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Mitral valve | Aortic valve | ||||||||
| Variables | MIVS | FS | p value | Minimally invasive | FS | p value | Minimally invasive | FS | p value |
| n = 74 | n = 74 | n = 42 | n = 42 | n = 29 | n = 29 | ||||
| In Hospital mortality | 1 (1.4) | 2 (2.7) | 0.513 | 0 (0.0) | 4 (9.5) | 0.040 | 2 (6.9) | 3 (10.3) | 0.640 |
| Stroke | 1 (1.4) | 4 (5.4) | 0.172 | 0.0 | 0.0 | – | 1 (3.4) | 2 (6.9) | 0.553 |
| Pulmonary complications | 14 (19) | 51 (69) | 0.0001 | 13 (31.0) | 38 (90.5) | 0.0001 | 12 (41.4) | 23 (79.3) | 0.003 |
| pneumonia | 2 (2.7) | 4 (5.4) | 0.405 | 1 (2.4) | 0 (0.0) | 0.314 | 0 (0.0) | 0 (0.0) | – |
| pneumothorax | 1 (1.4) | 4 (5.4) | 0.172 | 0.0 | 0.0 | – | 1 (3.4) | 4 (13.8) | 0.160 |
| Atelectasis | 4 (5.4) | 12 (16.2) | 0.034 | 5 (11.9) | 13 (31.0) | 0.033 | 2 (6.9) | 12 (41.4) | 0.002 |
| phrenic nerve injury | 1 (1.4) | 3 (4.1) | 0.311 | 1 (2.4) | 0 (0.0) | 0.314 | 0 (0.0) | 1 (3.4) | 0.313 |
| pleural effusion | 3 (4.1) | 10 (13.5) | 0.042 | 2 (4.8) | 4 (9.5) | 0.397 | 1 (50.0) | 1 (50.0) | 1.000 |
| Pulmonary infection | 3 (4.1) | 16 (21.6) | 0.001 | 1 (2.4) | 6 (14.3) | 0.048 | 2 (6.9) | 1 (3.4) | 0.553 |
| Tracheostomy | 0 (0.0) | 2 (2.7) | 0.154 | 0 (0.0) | 3 (7.1) | 0.078 | 1 (3.4) | 0 (0.0) | 0.313 |
Continuous variables are described by mean ± SD and by media, and categorical variables are shown as n = number of patients and %