Table 5.
Mini-Mental State Examination (MMSE) and Geriatric Depression Scale Score (GDS)
| Americans | Russians | p-value | |
|---|---|---|---|
| n=50 | n=50 | ||
| MMSEa | |||
| Mean | 27.50 | 25.84 | |
| Median | 28.00 | 26.00 | 0.0010 |
| Range | 14–30 | 19–30 | |
| MMSE cognitive abilitiesb | 1.0000 | ||
| Normal (score 24–30) | 45 (90%) | 42 (84%) | |
| Mild (score 18–23) | 4 (8%) | 8 (16%) | |
| Severe (score <17) | 1 (2%) | 0 | |
| GDSa | |||
| Mean | 1.50 | 4.92 | |
| Median | 1.00 | 4.50 | 0.0001 |
| Range | 0–6 | 0–13 | |
| GDS depression screen | 0.000003 | ||
| Normal (score 0–5) | 48 (96%) | 28 (56%) | |
| Screened depressed (>5) | 2 (4%) | 22 (44%) | |
a
p-value from Wilcoxon Rank Sum Test,
b
p-value from Kolmogorov-Smirnov Test.