Table 3 Summary of the collected data displaying distribution of the parameters investigated in the group with implant survival/preservation and the group in whom the implant was removed
Variable | Description | Survival of the implant until bony consolidationa | p-valueb | |||||
|---|---|---|---|---|---|---|---|---|
Yes | No | |||||||
n | Mean or % | SD | n | Mean or % | SD | |||
Gender | Male | 38 | 80.9 | 37 | 64.9 | 0.0712 | ||
Female | 9 | 19.1 | 20 | 35.1 | ||||
Age | 47 | 55.5 | 18.5 | 57 | 52.1 | 18.9 | 0.3006 | |
Stay at ICU | days | 47 | 4.5 | 6.5 | 57 | 3.1 | 5.5 | 0.4337 |
Initial procedure | Open | 45 | 95.7 | 1 | 1.8 | 0.5881 | ||
Closed | 2 | 4.3 | 56 | 98.2 | ||||
Tissue damage | Open Grade 0-2 | 7 | 14.9 | 11 | 19.3 | 0.042 | ||
Open Grade 3-4 | 2 | 4.3 | 11 | 19.3 | ||||
Closed | 38 | 80.9 | 35 | 61.4 | ||||
Identification of a | Yes | 43 | 91.5 | 48 | 84.2 | 0.2640 | ||
microbial strain | No | 4 | 8.5 | 9 | 15.8 | |||
Presence of a bacterial mixture | Yes | 5 | 10.6 | 15 | 26.3 | 0.0413 | ||
No | 38 | 80.8 | 33 | 57.9 | ||||
No detectable germ | 4 | 8.5 | 9 | 15.8 | ||||
Change in microbial strain during treatment | Yes | 40 | 85.1 | 40 | 70.2 | 0.0721 | ||
No | 7 | 14.9 | 17 | 29.8 | ||||
Gram Stain | Positive | 34 | 72.3 | 39 | 68.4 | 0.8615 | ||
Negative | 8 | 17.0 | 10 | 17.5 | ||||
None | 5 | 10.6 | 8 | 14.0 | ||||
Bacterial metabolism | Aerobic | 3 | 6.4 | 4 | 7.0 | 0.2172 | ||
Anaerobic | 1 | 2.1 | 2 | 3.5 | ||||
Facultative anaerobic | 38 | 80.9 | 37 | 64.9 | ||||
Facultative aerobic | 0 | 0.0 | 5 | 8.8 | ||||
No detectable germ | 5 | 10.6 | 9 | 15.8 | ||||
Bacterial load | Plentiful | 10 | 21.3 | 17 | 29.8 | 0.7030 | ||
Numerous | 17 | 36.2 | 15 | 26.3 | ||||
Sporadic | 13 | 27.7 | 14 | 24.6 | ||||
Enrichment | 2 | 4.3 | 2 | 3.5 | ||||
No detectable germ | 5 | 10.6 | 9 | 15.8 | ||||
Number of lavages until eradication | sponge changes 0 | 23 | 48.9 | 27 | 47.4 | 0.6821 | ||
sponge changes 1 | 13 | 27.7 | 13 | 22.8 | ||||
sponge changes 2 | 4 | 8.5 | 9 | 15.8 | ||||
sponge changes ≥3 times | 7 | 14.9 | 4 | 7.0 | ||||
Never be eradicated | 0 | 0.0 | 4 | 7.0 | ||||
CRP Initial | [mg/l] | 45 | 81.5 | 94.1 | 50 | 72.6 | 85.1 | 0.7201 |
CRP Maximum | [mg/l] | 47 | 147.6 | 102.6 | 52 | 115.2 | 95.2 | 0.2187 |
CRP Discharge | [mg/l] | 46 | 23.2 | 39.2 | 53 | 24.9 | 32.9 | 0.6668 |
CRP Discharge | ≤20 mg/l | 34 | 73.9 | 35 | 66.0 | 0.5113 | ||
>20 mg/l | 12 | 26.1 | 18 | 34.0 | ||||
Time Point of Infection | Early | 36 | 76.6 | 27 | 48.2 | 0.0032 | ||
Late | 11 | 23.4 | 29 | 51.8 | ||||
Extent of Infection | Superficial | 0 | 0.0 | 2 | 3.5 | 0.4998 | ||
Deep | 47 | 100.0 | 55 | 96.5 | ||||
Metabolic diseasec | Yes | 8 | 17.0 | 9 | 15.8 | 0.8657 | ||
No | 39 | 82.0 | 48 | 84.2 | ||||
Re-infection | Yes | 14 | 29.8 | 23 | 40.4 | 0.3951 | ||
No | 33 | 70.2 | 34 | 59.6 | ||||
Curing the Infection | Yes | 40 | 85.1 | 35 | 61.4 | 0.0086 | ||
No | 7 | 14.9 | 22 | 38.6 | ||||