Table 2.
Patients’ demographic characteristics.
| Unmatched cohort | SMD | 1:1 PS matching cohort | |||||
|---|---|---|---|---|---|---|---|
| Cancer patients (n = 273) | Control (n = 991) | P-value | Cancer patients (n = 239) | Control(n = 239) | SMD | ||
| Age, years (SD) | 77.3 (8.3) | 78.9 (8.2) | 0.005 | 0.192 | 77.9 (8.3) | 78.3 (8.1) | 0.049 |
| Male sex, n (%) | 117 (42.9) | 224 (22.6) | < 0.001 | 0.442 | 90 (37.7) | 95 (39.7) | 0.043 |
| BMI, kg/m2 (SD) | 21.8 (3.5) | 22.4 (3.6) | 0.044 | 0.140 | 22.0 (3.5) | 21.8 (3.4) | 0.040 |
| Diagnosis, n (%) | 0.168 | 0.137 | 0.052 | ||||
| Femoral neck fracture | 129 (47.3) | 427 (43.1) | 115 (48.1) | 110 (46.0) | |||
| Intertrochanteric fracture | 136 (49.8) | 511 (51.6) | 116 (48.5) | 122 (51.0) | |||
| Subtrochanteric fracture | 8 (2.9) | 53 (5.3) | 8 (3.3) | 7 (2.9) | |||
| CCI score, n (%) | < 0.001 | 1.039 | 0.053 | ||||
| 0–3 | 2 (0.7) | 58 (5.9) | 2 (0.8) | 1 (0.4) | |||
| 4–5 | 24 (8.8) | 458 (46.2) | 24 (10.0) | 24 (10.0) | |||
| ≥ 6 | 247 (90.5) | 475 (47.9) | 213 (89.1) | 214 (89.5) | |||
| Preoperative Koval index, median (IQR) | 1 (1–4) | 1 (1–3) | 0.154 | 0.099 | 1 (1–4) | 1 (1–3) | 0.021 |
| Preoperative habitual status, n (%) | 0.306 | 0.101 | 0.049 | ||||
| Home | 232 (85.0) | 872 (88.0) | 208 (87.0) | 206 (86.2) | |||
| Facility | 21 (7.7) | 53 (5.3) | 17 (7.1) | 20 (8.4) | |||
| Unknown | 20 (7.3) | 66 (6.7) | 14 (5.9) | 13 (5.4) | |||
| Comorbidity, n (%) | |||||||
| DM | 106 (38.8) | 337 (34.0) | 0.139 | 0.100 | 98 (41.0) | 108 (45.2) | 0.085 |
| HTN | 166 (60.8) | 663 (66.9) | 0.061 | 0.127 | 152 (63.6) | 153 (64.0) | 0.009 |
| Stroke | 35 (12.8) | 167 (16.9) | 0.108 | 0.114 | 35 (14.6) | 31 (13.0) | 0.049 |
| DVT | 7 (2.6) | 24 (2.4) | 0.893 | 0.009 | 7 (2.9) | 5 (2.1) | 0.054 |
| Dementia | 18 (6.6) | 91 (9.2) | 0.177 | 0.096 | 18 (7.5) | 24 (10.0) | 0.089 |
| Time from trauma to surgery, days (SD) | 4.1 (4.0) | 3.9 (4.0) | 0.485 | 0.058 | 5.1 (8.2) | 4.7 (6.1) | 0.067 |
| Type of surgery, n (%) | 0.265 | 0.076 | 0.052 | ||||
| Osteosynthesis | 168 (61.5) | 646 (65.2) | 144 (60.3) | 150 (62.8) | |||
| Arthroplasty | 105 (38.5) | 345 (34.8) | 95 (39.7) | 89 (37.2) | |||
| Anesthesia, n (%) | 0.004 | 0.199 | 0.008 | ||||
| General | 122 (44.7) | 541 (54.6) | 112 (46.9) | 113 (47.3) | |||
| Regional | 151 (55.3) | 450 (45.4) | 127 (53.1) | 126 (52.7) | |||
BMD, body mass index; BPHA, bipolar hemiarthroplasty; CCI, Charson Comorbidity Index; CCS, cannulated cancellous screw fixation; DHS, dynamic hip screw; DM, diabetes mellitus; DVT, deep vein thrombosis; FNS, femoral neck system; HTN, hypertension; IQR, interquartile range; PS, propensity score; SD, standard deviation; SMD, standard mean difference; THA, total hip arthroplasty.
Significant values are in [bold].