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Central compartment yield
| Characteristics | Revision Cases | Primary Cases | p value |
|---|---|---|---|
| Group 1 | Group 2 | ||
| Total Central compartment yield (whole group) | 11.16 ± 7.76 | 13.63 ± 7.80 | 0.216 |
| Total Central compartment yield (excluding second revision cases) | 12.47 ± 7.34 | 15.13 ± 8.37 | 0.706 |
