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- Comparison of general information of the 2 groups (Mean±SD).
| Groups | Unilateral | Bilateral |
|---|---|---|
| Total | 62 | 36 |
| Gender (male/female) | 20/42 | 12/24 |
| Age | 77.3±8.6 | 75.6±9.5 |
| There was no statistically significant difference in gender and age between the 2 groups (p<0.05) | ||
