Table 2.
Clinical results of all patients undergoing medial UKAs in the two groups
| Item | Group A (n = 39) | Group B (n = 54) | t/χ2 | P Value |
|---|---|---|---|---|
| Amount of drainage (mL) | 490.3 ± 101.2 | 460.9 ± 124.8 | 1.211 | 0.229 |
| Haemoglobin (g/L) | ||||
| Pre-operation | 135.3 ± 8.5 | 132.3 ± 11.8 | 1.373 | 0.173 |
| 3-days after operation | 106.9 ± 13.8 | 126.2 ± 8.4 | 7.734 | P < 0.01 |
| Blood transfusion (n, %) | 1 (2.6%) | 0 | Fisher | 0.419* |
| Length of stay (days) | 4.2 ± 0.7 | 7.5 ± 1.5 | 14.192 | P < 0.01 |
| Hospital costs (RMB) | 75849.8 ± 1358.9 | 86271.2 ± 2725.3 | 24.236 | P < 0.01 |
| Duration of anesthesia (min) | 120.2 ± 9.7 | 141.6 ± 8.7 | 11.008 | P < 0.01 |
| Complication (n, %) | 4 (10.3%) | 5 (9.3%) | 0.012 | 0.913 |
| Cardiac complications | 0 | 0 | ||
| Deep infection | 0 | 0 | ||
| Confusion | 0 | 0 | ||
| Stroke | 0 | 0 | ||
| Superficial infection | 1 | 1 | ||
| Minor wound dehiscence | 2 | 1 | ||
| Skin edge necrosis | 0 | 1 | ||
| Respiratory | 1 | 2 | ||
| Deep-vein thrombosis | 0 | 0 | ||
| Pulmonary embolism | 0 | 0 | ||
| Death | 0 | 0 | ||
*Fisher’s exact test