Table 1.
Patient demographics
| Revision N = 24 | Primary N = 26 | p-value | |
|---|---|---|---|
| Age | 67 ± 2 | 72 ± 2 | 0.31 |
| Sex | 6 male 18 female | 6 male 20 female | 0.81 |
| Joint | 22 hip 2 knee | 16 hip 10 knee | 0.07 |
| Height (m) | 1.62 ± 0.03 | 1.64 ± 0.03 | 0.78 |
| Weight (kg) | 85.2 ± 6.4 | 74.5 ± 6.1 | 0.26 |
| BMI (kg/m2) | 32.3 ± 2.4 | 27.7 ± 1.7 | 0.17 |
| Charlson Comorbidity Index | 2.9 ± 0.5 | 2.7 ± 0.3 | 0.74 |
| Cardiovascular disease | 12 | 14 | 0.79 |
| Diabetes mellitus | 4 | 4 | 0.72 |
| Autoimmune disease | 0 | 0 | N/A |
| Cancer | 0 | 0 | N/A |
| Respiratory disease | 4 | 3 | 0.45 |
| Osteoporosis | 0 | 0 | N/A |
| Renal impairment | 2 | 0 | 0.18 |
| Immunomodulatory meds | 0 | 0 | 1.00 |
| Blood tests | |||
| Haemoglobin (g/L) | 130 ± 3 | 134 ± 3 | 0.36 |
| Creatinine (µmol/L) | 74 ± 10 | 62 ± 5 | 0.87 |
| eGFR | 74 ± 5 | 80 ± 3 | 0.94 |
| Calcium (mmol/L) | 2.29 ± 0.05 | 2.29 ± 0.05 | 0.87 |
| Phosphate (mmol/L) | 1.30 ± 0.30 | 1.36 ± 0.31 | 0.94 |
| Magnesium (mmol/L) | 0.81 ± 0.04 | 0.72 ± 0.03 | 0.34 |
| Potassium (mmol/L) | 4.69 ± 0.17 | 4.38 ± 0.10 | 0.20 |