Table 1 Mean age of the various subgroups relative to sex, side and ethnicity
| Age | ||
|---|---|---|
| Sex | Male (n = 254) | 55.24 ± 15.20 |
| Female (n = 228) | 55.45 ± 16.47 | |
| Side | Right (n = 235) | 55.14 ± 6.24 |
| Left (n = 247) | 55.53 ± 15.59 | |
| Ethnicity | European (n = 240) | 56.47 ± 14.85 |
| Asian (n = 242) | 54.22 ± 16.80 |