Table 5.
Univariate analysis of perioperative complications and adverse events of the second surgery of two-stage revision in four groups
| Normal | Frail | Malnourished | Malnourished and frail | P value* | |
|---|---|---|---|---|---|
| Reinfection, n (%) | 7 (12.8%) | 5 (10.9%) | 6 (31.6%) | 5 (45.5%) | 0.043† |
| Deep infection | 3 (5.5%) | 1 (3.1%) | 2 (10.5%) | 2 (18.2%) | 0.261† |
| Superficial infection | 4 (7.3%) | 3 (9.3%) | 4 (21.1%) | 3 (27.2%) | 0.203† |
| Re-revision for aseptic reasons, n (%) | 4 (7.3%) | 5 (10.9%) | 3 (15.8%) | 2 (18.2%) | 0.471† |
| Transfusion | 6 (10.9%) | 4 (12.5%) | 3 (15.8%) | 5 (45.5%) | 0.017† |
| Any complicationsa | 11 (20%) | 7 (21.9%) | 6 (31.6%) | 7 (63.6%) | 0.029† |
| 30-day readmission, n (%) | 3 (5.5%) | 5 (15.6%) | 3 (15.8%) | 4 (36.4%) | 0.030† |
| 60-day readmission, n (%) | 4 (7.3%) | 6 (18.8%) | 4 (21.1%) | 4 (36.4%) | 0.047† |
| 90-day readmission, n (%) | 3 (5.5%) | 2 (6.3%) | 1 (5.3%) | 2 (18.2%) | 0.436† |
| 1-year mortality, n (%) | 1 (1.8%) | 2 (6.3%) | 1 (5.3%) | 1 (9.1%) | 0.385† |
| Extended length of stay, n (%) | 9 (16.4%) | 12 (37.5%) | 8 (42.1%) | 7 (63.6%) | 0.004* |
Bold values indicate that the corresponding P-value is less than 0.05
*One-Way ANOVA
†Pearson chi-squared test or Fisher's exact test
aComplications including wound dehiscence, pulmonary embolism, deep vein thrombosis, pneumonia, myocardial infarction, cardiac arrest, sepsis, urinary tract infection, acute kidney injury