Table 1.
Patient pre-operative demographics
| Demographic | Midline | Paramedian | P value |
|---|---|---|---|
| Mean age (years) | 68 | 74 | 0.133 |
| Sex (% female) | 67% | 70% | 1.0 |
| BMI | 32 | 31 | 0.706 |
| Diagnosis – osteoarthritis of the knee | 100% | 100% | 1.0 |
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