Table 4.
Practice effects and test-retest reliability of the MMSE-2 in the alternate-form group (n = 60)
| Versions and subtests | First assessment Mean ± SD |
Second assessment Mean ± SD |
paired t-test (p value) |
Cohen’s d | ICC (95% CI) |
MDC (MDC %) |
|---|---|---|---|---|---|---|
| Registration | 2.00 ± 1.25 | 2.08 ± 1.24 | −0.55 (0.583) | 0.06 | 0.56 (0.36, 0.71) | 0.76 (25.19) |
| Orientation | 4.50 ± 2.88 | 4.48 ± 3.06 | 0.07 (0.946) | 0.01 | 0.80 (0.68, 0.87) | 0.82 (8.19) |
| Recall | 0.25 ± 0.63 | 0.20 ± 0.58 | 0.69 (0.496) | 0.08 | 0.56 (0.36, 0.71) | 0.37 (12.21) |
| Brief Version total score | 6.75 ± 4.04 | 6.77 ± 4.07 | −0.05 (0.961) | 0.00 | 0.79 (0.67, 0.87) | 1.17 (7.34) |
| Attention and Calculation | 1.95 ± 1.88 | 1.82 ± 1.83 | 0.87 (0.387) | 0.07 | 0.80 (0.68, 0.87) | 0.51 (10.24) |
| Language | 5.03 ± 2.19 | 5.03 ± 2.16 | 0.00 (1.000) | 0.00 | 0.79 (0.67, 0.87) | 0.63 (7.77) |
| Visual-constructional ability | 0.42 ± 0.50 | 0.55 ± 0.50 | −2.65 (0.010*) | 0.26 | 0.68 (0.50, 0.80) | 0.22 (22.25) |
| Standard Version total score | 14.13 ± 7.14 | 14.18 ± 7.40 | −0.11 (0.912) | 0.01 | 0.89 (0.82, 0.93) | 1.10 (3.94) |
| Story Memory | 1.77 ± 2.65 | 1.72 ± 2.45 | 0.19 (0.853) | 0.02 | 0.67 (0.50, 0.79) | 1.16 (9.68) |
| Processing Speed | 3.45 ± 4.14 | 3.88 ± 4.30 | −1.64 (0.106) | 0.10 | 0.88 (0.81, 0.93) | 0.70 (4.11) |
| Expanded Version total score | 19.35 ± 12.22 | 19.80 ± 12.29 | −0.75 (0.454) | 0.04 | 0.93 (0.89, 0.96) | 1.18 (2.57) |
MMSE-2 Mini-Mental State Examination, 2nd Edition, SD standard deviation, ICC intraclass correlation coefficient, CI confidence interval, MDC minimal detectable change
Significant difference after Bonferroni correction at p < .05/11(p < .0045)