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Demographic and clinical characteristics of the participants
| Characteristics | Number or mean ± SD |
|---|---|
| Age (years) | 68.1 ± 7.4 |
| Range | 47–86 |
| Gender | Total (N = 150) |
| Female | 118 (78.7%) |
| Male | 32 (21.3%) |
| Side | |
| Right | 69 (46.0%) |
| Left | 81 (54.0%) |
| Time after primary surgery | 28.0 ± 9.7 |
| Range | 12–94 |
