Table 6 Postoperative complications in the lobectomy cohort before and after propensity score matching
Clinical records | Before PSM | After PSM | ||||||
|---|---|---|---|---|---|---|---|---|
Uniportal cohort (n = 35) | Three-port cohort (n = 317) | Z/X2-value | p-value | Uniportal cohort (n = 33) | Three-port cohort (n = 33) | Z/X2-value | p-value | |
Postoperative complications | 6(17.10%) | 76(24.00%) | 0.82 | 0.36 | 5(15.20%) | 4(12.10%) | < 0.0001 | > 0.99 |
Minor complications (Clavien-Dindo grade 1–2) | ||||||||
Persistent thoracic drainage | 4(11.40%) | 48(15.10%) | 0.35 | 0.56 | 4(12.10%) | 4(12.10%) | < 0.0001 | > 0.99 |
Persistent pulmonary leakage | 2(5.70%) | 28(8.80%) | 0.10 | 0.76 | 2(6.10%) | 1(3.00%) | < 0.0001 | > 0.99 |
Pulmonary infection | 1(2.90%) | 27(8.50%) | 0.71 | 0.40 | 1(3.00%) | 0(0.00%) | < 0.0001 | > 0.99 |
Pneumoderm | 0(0.00%) | 12(3.80%) | 0.46 | 0.50 | 0(0.00%) | 1(3.00%) | < 0.0001 | > 0.99 |
Arrhythmia | 1(2.90%) | 5(1.60%) | < 0.0001 | > 0.99 | 0(0.00%) | 0(0.00%) | – | – |
Others | 1(2.90%) | 26(8.20%) | 0.63 | 0.43 | 1(3.00%) | 0(0.00%) | < 0.0001 | > 0.99 |
Major complications (Clavien-Dindo grade 3–5) | ||||||||
Dyspnea | 0(0.00%) | 4(1.30%) | < 0.0001 | > 0.99 | 0(0.00%) | 0(0.00%) | – | – |
Pulmonary infection | 0(0.00%) | 2(0.60%) | < 0.0001 | > 0.99 | 0(0.00%) | 0(0.00%) | – | – |
Chylothorax | 0(0.00%) | 2(0.60%) | < 0.0001 | > 0.99 | 0(0.00%) | 0(0.00%) | – | – |
Pulmonary embolism | 0(0.00%) | 1(0.30%) | < 0.0001 | > 0.99 | 0(0.00%) | 0(0.00%) | – | – |
Post-discharge complications | 1(2.90%) | 16(5.00%) | 0.03 | 0.87 | 1(3.00%) | 3(9.10%) | 0.27 | 0.61 |
Generalized pruritus | 0(0.00%) | 2(0.60%) | < 0.0001 | > 0.99 | 0(0.00%) | 1(3.00%) | < 0.0001 | > 0.99 |
Chest pain | 1(2.90%) | 5(1.60%) | < 0.0001 | > 0.99 | 1(3.00%) | 2(6.10%) | < 0.0001 | > 0.99 |