| ROBODOC | Manual | P value | |||||
| Gr. 1 | Gr. 2 | Gr. 3 | Gr. 1 | Gr. 2 | Gr. 3 | ||
| Preparation of the femur | 4 (8%) | 16(64%) | 8(32%) | 1(4%) | <0.001 | ||
| Implantation of stem | 18(36%) | 17(68%) | 4(16%) | 1(4%) | <0.001 | ||
| Relocation of hip joint | 29(58%) | 4(8%) | 13(52%) | 11(44%) | 1(4%) | <0.001 | |
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