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Demographic characteristics of the patients and control individuals
| Mean SD or N (%) | |||
|---|---|---|---|
| Characteristics | Cases (n = 200) | Controls (n = 200) | P value |
| Age(year) | 62.18 ± 12.637 | 61.59 ± 13.153 | 0.717 |
| Male | 62.35 ± 12.937 | 61.22 ± 13.821 | 0.666 |
| Female | 61.97 ± 13.322 | 62.06 ± 12.330 | 0.984 |
| Sex | 1.000 | ||
| Male | 111 (55.5) | 111 (55.5) | |
| Female | 89 (44.5) | 89 (44.5) | |
