Table 1.
Demographic variable | Healthy older controls (n = 21) | LLD patients (n = 21) at baseline | LLD patients (n = 20) during SSRI treatment |
---|---|---|---|
Age | 66 ± 6 | 67 ± 7 | |
Sex (F/M) | 11/10 | 11/10 | |
Education (in years) | 15 ± 3 | 15 ± 2 | |
Race (number of participants who are African American/White) | 1/20 | 2/19 | 2/18 |
MMSE | 29 ± 1 | 29 ± 1 | 29 ± 1 |
HDRS | 1 ± 1 | 17 ± 2a | 5 ± 3b |
BDI | 6 ± 12 | 24 ± 8c | 9 ± 7d |
CVLT total recall (sum of first 5 trials) | 59 ± 11 | 56 ± 10 | 58 ± 9 |
CVLT delayed free recall | 12 ± 2 | 12 ± 3 | 13 ± 3 |
DKEFS™ Category fluency | 41 ± 8 | 41 ± 8 | 42 ± 2 |
DKEFS™ Letter fluency | 45 ± 12 | 40 ± 11 | 45 ± 12e |
BVMT-R total recall (sum of first 3 trials) | 19 ± 7 | 20 ± 8 | 24 ± 6f |
BVMT-R delayed recall | 8 ± 3 | 7 ± 3 | 9 ± 3g,h |
Rey complex figure test-copy | 32 ± 3 | 31 ± 4 | 32 ± 3 |
Rey complex figure test-immediate recall | 17 ± 6 | 16 ± 7 | 22 ± 7i |
Rey complex figure test-delayed recall | 16 ± 5 | 15 ± 6 | 22 ± 7j |
Key: BDI, Beck Depression Inventory; BVMT-R, Brief Visual Memory Test-Revised; CVLT, California Verbal Learning Test; D-KEFS, Delis-Kaplan Executive Function System; HDRS, Hamilton Depression Rating Scale; MMSE, modified Mini-Mental State Examination; SSRI, Selective Serotonin Reuptake Inhibitor.
Significant difference between controls and LLD patients (F(1,40) = 900.42, p < 0.001).
Significant difference in the LLD patients before and during SSRI treatment (F(1,19) = 229.31, p < 0.001).
Significant difference between controls and LLD patients (F(1,40) = 35.51, p < 0.001).
Significant difference in the LLD patients before and during SSRI treatment (F(1,19) = 42.52, p < 0.001).
Significant difference in the LLD patients before and during SSRI treatment (F(1,19) = 4.96, p < 0.05).
Significant difference in the LLD patients before and during SSRI treatment (F(1,19) = 8.77, p < 0.01).
Significant difference in the LLD patients before and during SSRI treatment (F(1,19) = 16.00, p < 0.001).
Significant change in performance between controls and LLD patient groups (F(1,19) = 8.59, p < 0.01).
Significant difference in the LLD patients before and during SSRI treatment (F(1,19) = 38.30, p < 0.001).
Significant difference in the LLD patients before and during SSRI treatment (F(1,19) = 65.07, p < 0.001).