Table 3.
Comparison between the cancer and control groups.
| Unmatched cohort | 1:1 PS matching cohort | |||||
|---|---|---|---|---|---|---|
| Cancer patients (n = 273) | Control (n = 991) | P-value | Cancer patients (n = 239) | Control (n = 239) | P-value | |
| Operative time, min (SD) | 60.9 (26.9) | 66.6 (27.8) | 0.003 | 62.2 (26.8) | 61.5 (25.5) | 0.743 |
| Transfusion profile | ||||||
| Preoperative transfusion, n (%) | 51 (18.7) | 108 (10.9) | 0.001 | 44 (18.4) | 32 (13.4) | 0.157 |
| Intraoperative transfusion, n (%) | 28 (10.3) | 188 (19.0) | 0.001 | 24 (10.0) | 32 (13.4) | 0.267 |
| Postoperative transfusion, n (%) | 122 (44.7) | 420 (42.4) | 0.495 | 110 (46.0) | 116 (48.5) | 0.577 |
| Total volume of perioperative transfusion, pack (SD) | 2.0 (4.2) | 1.7 (2.7) | 0.846 | 1.9 (4.0) | 1.9 (3.4) | 0.839 |
| Complications, n (%) | ||||||
| Pneumonia | 25 (9.2) | 54 (5.4) | 0.025 | 23 (9.6) | 23 (9.6) | 1.000 |
| DVT | 4 (1.5) | 17 (1.7) | 1.000 | 3 (1.3) | 4 (1.7) | 0.705 |
| PTE | 1 (0.4) | 11 (1.1) | 0.480 | 0 (0.0) | 4 (1.7) | 0.046 |
| MI/Angina | 6 (2.2) | 18 (1.8) | 0.683 | 5 (2.1) | 6 (2.5) | 0.763 |
| UTI | 9 (3.3) | 47 (4.7) | 0.304 | 8 (3.3) | 10 (4.2) | 0.637 |
| Acute PJI | 4 (1.5) | 15 (1.5) | 1.000 | 4 (1.7) | 5 (2.1) | 0.739 |
| Rate of reoperation due to any cause, n (%) | 8 (2.9) | 57 (5.8) | 0.062 | 7 (2.9) | 14 (5.9) | 0.127 |
| Hospital stay, days (SD) | 13.3 (11.7) | 13.0 (11.1) | 0.441 | 13.3 (11.3) | 13.8 (11.2) | 0.638 |
| ICU admission, n (%) | 47 (17.2) | 145 (14.6) | 0.292 | 41 (17.2) | 43 (18.0) | 0.814 |
| Mortality rate, n (%) | ||||||
| Death during the admission period | 5 (1.8) | 5 (0.5) | 0.044 | 3 (1.3) | 4 (1.7) | 0.705 |
| 30-day mortality | 9 (3.3) | 14 (1.4) | 0.068 | 5 (2.1) | 7 (2.9) | 0.564 |
| 1-year mortality | 76 (27.8) | 86 (8.7) | < 0.001 | 63 (26.4) | 29 (12.1) | < 0.001 |
| Clinical Score | ||||||
| Koval index at the 1-year follow-up, median (IQR) | 2 (1–3) | 2 (1–3) | 0.633 | 2 (1–4) | 2 (1–2) | 0.377 |
| mHHS at the 1-year follow-up, point (SD) | 74.9 (23.8) | 73.4 (18.6) | 0.566 | N/A | N/A | N/A |
DVT; deep vein thrombosis; ICU, intensive care unit; IQR, interquartile range; mHHS; modified Harris hip score; MI; myocardial infarction; N/A, non applicable; Op., operation; PJI, prosthetic joint infection; PS, propensity score; PTE, pulmonary thromboembolism; SD, standard deviation; UTI, urinary tract infection.
Significant values are in [bold].