Total N = 187 | Concordant group N = 147 | Discordant group N = 40 | P-value (concordant vs. discordant) | |
---|---|---|---|---|
Age** | 62.04 (60.09, 63.99) | 62.18 (59.89, 64.48) | 61.5 (57.86, 65.14) | 0.434 |
Male** | 98, 52.41% | 77/147, 52.38% | 21/40, 52.5% | 0.989 |
BMI** | 25.59 (25.08, 26.10) | 25.73 (25.12, 26.30) | 25.11 (23.96, 26.25) | 0.446 |
Knee** | 103, 55.08% | 89/147, 60.54% | 14/40, 35% | |
Comorbidity | ||||
Diabetes | 19, 10.16% | 17, 11.56% | 2, 5% | 0.374 |
IJDa | 5, 2.67% | 4, 2.72% | 1, 2.5% | 1.00 |
ASA score | ||||
1 | 1, 0.53% | 1, 0.68% | 0% | 1.00 |
2 | 128, 87.07% | 39, 97.5% | 0.081 | |
3 | 19, 10.16% | 18, 12.24% | 1, 2.5% | 0.081 |
4 | 0 | 0 | 0 | 1.00 |
Organisms | ||||
Culture negative | 46, 24.60% | 37, 25.17% | 9, 22.5% | 0.728 |
Staphylococcus spp. | 90, 48.13% | 74, 50.34% | 16, 4% | 0.246 |
Enterococcus spp. | 11, 5.88% | 9, 6.12% | 2, 5% | 1.00 |
Streptococcus spp. | 12,6.41% | 4, 2.72% | 8, 20% | 0.001* |
Gram-positive bacilli | 4,2.14% | 4, 2.7% | 0 | 0.579 |
Gram-negative bacteria | 11, 5.88% | 10, 6.8% | 1, 2.5% | 0.462 |
Fungi | 9, 4.81 | 8, 5.44% | 1, 2.5% | 0.687 |
Polymicrobial PJI | 4, 2.13% | 1, 0.68% | 3, 7.5% | 0.031 |