highly significantP < 0.001
When age was added as a covariate, the associations remained highly significant ( P < 0.001).
When age was added as a covariate, the associations remained highly significant ( P < 0.001).
There was borderline significance ( P = 0.04 and P = 0.07 with age added) for the ICA512 titer (6 of 113), but the number for that analysis was small.