Table 2.
Perioperative outcomes before and after propensity score matching
| Item | Before PSM | After PSM | ||||
|---|---|---|---|---|---|---|
| MFS group | non-MFS group | p | MFS group | non-MFS group | p | |
| Number | 40 | 46 | 32 | 32 | ||
| Neurologic dysfunction | 3 (7.5%) | 5 (10.9%) | 0.869 | 3 | 2 | 0.641 |
| Acute kidney injury | 4 (10.0%) | 8 (17.4%) | 0.500 | 3 | 6 | 0.281 |
| Hepatic dysfunction | 2 (5%) | 6 (13.0%) | 0.363 | 2 | 5 | 0.230 |
| Sepsis | 0 | 1 (2.2%) | < 0.001 | 0 | 1 | 0.313 |
| Tracheotomy | 1 (2.5%) | 1 (2.2%) | 0.537 | 1 | 1 | 1.00 |
| Low cardiac output syndrome | 1 (2.5%) | 1 (2.2%) | 0.537 | 1 | 1 | 1.00 |
| Sternal complications | 2 (5%) | 1 (2.2%) | 0.901 | 2 | 1 | 0.554 |
| Hospital time (days) | 21.2 ± 9.9 | 19.9 ± 8.6 | 0.568 | 22.7 ± 8.2 | 20.1 ± 8.5 | 0.218 |
| Hospital costs (1000 RMB) | 165.7 ± 31.7 | 171.2 ± 34.5 | 0.223 | 163.4 ± 30.1 | 168.1 ± 32.9 | 0.553 |
Continuous variables were present as mean ± standard deviation (SD). Categorical variables were shown as number (%)