After adjusting for covariates ( age , educational level , sex , apolipoprotein E @ , depression , diabetes mellitus , hypertension , stroke , body mass index , and coronary artery disease ) we found no significant association between clinical or subclinical hypothyroidism and MCI ( odds ratio -LSB- OR -RSB- , @ -LSB- @ % CI , @-@ @ -RSB- and @ -LSB- @-@ @ -RSB- , respectively ) .