Table 2.

Patient demographics

Total no. of patients24
Patient age, yr (mean)42.5(range, 26 to 57)
Male/female12/12
Race
Caucasian21 of 2487.5%
African-American2 of 248.3%
Hispanic1 of 244.2%
Diabetes mellitus1 of 244.2%
Hypertension (at time of biopsy)8 of 2433.3%
Bipolar disorder24 of 24100%
Mean duration of lithium therapy (yr)13.6(range, 2 to 25)