Table 1.
Characteristics of the study population, n (%)
|
Characteristic
|
Total
|
| Age (years) | |
| Mean (SD) | 68.8 (9.2) |
| Median (IQR) | 69.0 (63.0, 75.0) |
| Min, Max | 44.0, 93.0 |
| Women | 45 (40.9) |
| Race | |
| Pacific Islander | 2 (1.8) |
| White | 108 (98.2) |
| Smoking history | |
| Current smoker | 4 (3.6) |
| Previous smoker | 36 (32.7) |
| Never smoker | 58 (52.7) |
| History of heart failure | 1 (0.9) |
| Body mass index (kg/m2) | |
| Mean (SD) | 30.3 (6.0) |
| Median (IQR) | 30.0 (62.2, 34.3) |
| Min, Max | 18.8, 47.0 |
| Body surface area (m2) | |
| Mean (SD) | 2.1 (0.3) |
| Median (IQR) | 2.1 (1.9, 2.2) |
| Min, Max | 1.4, 2.7 |
| Systolic blood pressure, mmHg | |
| Mean (SD) | 134.0 (18.9) |
| Median (IQR) | 132.0 (122.0, 144.0) |
| Min, Max | 90.0, 187.0 |
| Diastolic blood pressure, mmHg | |
| Mean (SD) | 77.6 (8.8) |
| Median (IQR) | 78.0 (72.0, 83.0) |
| Min, Max | 60.0, 108.0 |
| TJA history | |
| Joint | |
| Hip (total hip arthroplasty) | 79 (71.8) |
| Knee (total knee arthroplasty) | 11 (10.0) |
| Both | 20 (18.2) |
| Revision surgery | 59 (53.6) |
| Years between first TJA surgery and study visit | |
| Mean (SD) | 13.4 (5.7) |
| Median (IQR) | 12 (10.0, 16.0) |
| Min, Max | 2.0, 31.0 |
IQR: Interquartile range; TJA: Total joint arthroplasty.