Age (years) | Number | % |
30 - 40 | 1 | 3.5 |
41 - 50 | 1 | 3.4 |
51 - 60 | 12 | 41.4 |
61 - 70 | 13 | 44.8 |
71 - 80 | 2 | 6.9 |
Total | 29 | 100 |
Mean ± SD | 58.1 ± 7.3 |
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