Table 1.
Demographic information
| Demographic | Gentamicin | Vancomycin and gentamicin | p value |
|---|---|---|---|
| Sample size | 20 spacers/19 patients | 26 spacers/22 patients | |
| Age of patients (years) (95% CI) | 68.21 (34.25–81.49) | 64.46 (35.16–84.19) | 0.388 |
| Sex | 9 male (47%)/10 female (53%) | 11 males (50%)/11 females (50%) | 1.000 |
| BMI (kg/m2) (95% CI) | 29.92 (18–38) | 29.26 (21–39) | 0.574 |
| McPherson Type A | 6 (32%) | 10 (45%) | 0.491 |
| McPherson Type B | 12 (63%) | 10 (45%) | |
| McPherson Type C | 1 (5%) | 2 (10%) | |
| Knee or hip | 11 (57.89%)/8 (42.11%) | 10 (45.45%)/12 (54.55%) | 0.536 |
| Primary or revision surgery | 14 (73.68%)/5 (26.32%) | 13 (59.09%)/9 (40.91%) | 0.510 |
| Time from first to second stage (95% CI) | 97.39 days (34–235 days) | 214.26 days (47–500 days) | 0.010 |