Table 7.
Ultimate compressive strength (Ucs) comparison between Day 0 and Day 7 for different sample sizes
| UCS Comparison in Percent (Day 0 vs Day 7) | p-value | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | A | B | C | D | ||
| BCT | -4.0 | 3.8 | 4.3 | 0.5 | 0.06 | 0.64 | 0.30 | 0.95 | |
| BCTV | 9.7 | 19.7 | 17.3 | 15.3 | 0.01 | 0.02 | 0.00 | 0.04 | |
| BCTV | 0.5 | 3.1 | 5.8 | 6.7 | 6.3 | 0.87 | 0.71 | 0.02 | 0.13 |
| BC | 0.6 | 9.1 | 1.3 | -5.5 | 0.97 | 0.13 | 0.49 | 0.52 | |
*
Note: BCT represents PMMA with 1.0g tobramycin;
BCTV represents PMMA with 1.0g tobramycin and 1.0g vancomycin;
BCTV 0.5 represents PMMA with 0.5g tobramycin and 0.5g vancomycin;
BC represent PMMA without any antibiotics;
P-value < 0.05 indicating a statistically significant difference