Descriptor | Data |
---|---|
Age in years at first test | |
Mean (SD) | 72.1 (6.8) |
Range | 60.0–93.2 |
Sex | |
Female, % | 57.5 |
Time between tests in days | |
Mean (SD) | 153 (107) |
Median (IQR) | 112.5 (100–147) |
Ethnicity, n | |
White | 449 |
Mixed ethnicity | 4 |
Black | 1 |
IQR = interquartile range. SD = standard deviation.