Table 1.
Baseline demographic and characteristics of patients undergoing the second stage of two-stage exchange arthroplasty
| Demographics | Persistent infection (n = 10) | No persistent infection (n = 34) | p value |
| Age in years, mean ± SD | 65 ± 6 | 68 ± 11 | 0.58 |
| Sex (females) | 50 (5) | 47 (16) | 0.87 |
| Racea (self-reported) | |||
| White | 60 (6) | 85 (29) | 0.20 |
| Black | 20 (2) | 9 (3) | |
| Other | 20 (2) | 6 (2) | |
| Ethnicity (self-reported) | |||
| NonHispanic | 90 (9) | 91 (31) | 0.91 |
| Hispanic | 10 (1) | 9 (3) | |
| BMI in kg/m2, mean ± SD | 29 ± 6 | 29 ± 6 | 0.98 |
| ASA grade | |||
| 1 | 0 (0) | 3 (1) | 0.79 |
| 2 | 50 (5) | 41 (14) | |
| 3 | 40 (4) | 44 (15) | |
| Smoking status (smoker) | 0 (0) | 9 (3) | 0.33 |
| Joint | |||
| Hip | 10 (1) | 47 (16) | 0.03 |
| Knee | 90 (9) | 53 (18) | |
Data are presented as the proportion or % (n), unless otherwise stated.
a
Available data; ASA = American Society of Anesthesiologists.