Table 3.
Univariate analyses according to surgical treatment and outcome
| Debridement and Implant Retention | Two-Stage Exchange | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Success (N=74) | Failure (N=67) | Success (N=154) | Failure (N=46) | ||||||||
| Mean ± SD/ Count | Mean ± SD/ Count | P-value | Mean ± SD/ Count | Mean ± SD/ Count | P-value | ||||||
| Age | 65.8 ± 11.7 | 62.8 ± 11.9 | 0.139 | 65.2 ± 11.8 | 64 ± 13.4 | 0.503 | |||||
| BMI | 30.9 ± 7.5 | 29.4 ± 6.1 | 0.202 | 29.6 ± 6.1 | 32.4 ± 9.9 | 0.154 | |||||
| Sex [M:F] | 38 : 36 | 38 : 29 | 0.523 | 89 : 63 | 28 : 20 | 0.979 | |||||
| Daptomycin [Yes:No] | 15:59 | 12 : 55 | 0.722 | 34 : 118 | 6 : 32 | 0.126 | |||||
| Acute PJI [Yes:No] | 25:49 | 28:39 | 0.327 | - | - | - | |||||
| Bacterial Species | 0.007* | 0.256 | |||||||||
| CONS | 30 | 13 | 65 | 15 | |||||||
| MRSA | 7 | 16 | 25 | 12 | |||||||
| MSSA | 37 | 38 | 62 | 21 | |||||||
| CC Index | 0.009* | 0.012* | |||||||||
| 0 | 27 | 19 | 62 | 10 | |||||||
| 1-2 | 36 | 23 | 53 | 17 | |||||||
| 3+ | 11 | 25 | 37 | 21 | |||||||
BMI: body mass index, CONS: coagulase negative Staphylococcus, MRSA: methicillin resistant Staphylococcus aureus, MSSA: methicillin resistant Staphylococcus aureus, CC Index: Charlson comorbidity index. * denotes p < 0.05.