Table 1.
Cohort characteristics at Initial (
n
= 259) and 12-month visit (
n
= 226)
Visit 1
Visit 2
N
259
226
Age in years [mean (SD)]
44.31 (11.26)
46.11 (10.80)
Sex [males (%)]
81 (31.3)
74 (32.7)
Time between samples in months [mean (SD)]
12.87 (2.21)