Table 3.

Practice effects and test-retest reliability of the MMSE-2 in the same-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	2.20 ± 1.12	2.28 ± 1.04	−0.71 (0.480)	0.07	0.65 (0.48, 0.78)	0.52 (17.41)
Orientation	3.85 ± 2.63	4.00 ± 2.80	−0.80 (0.429)	0.06	0.86 (0.77, 0.91)	0.52 (5.25)
Recall	0.33 ± 0.71	0.33 ± 0.71	0.00 (1.000)	0.00	0.76 (0.63, 0.85)	0.23 (7.78)
Brief Version total score	6.38 ± 3.59	6.62 ± 3.66	−1.08 (0.287)	0.07	0.89 (0.83, 0.93)	0.55 (3.44)
Attention and Calculation	1.58 ± 1.71	1.72 ± 1.69	−0.75 (0.458)	0.08	0.67 (0.50, 0.79)	0.77 (15.49)
Language	5.33 ± 1.61	5.57 ± 1.63	−1.91 (0.061)	0.15	0.82 (0.72, 0.89)	0.40 (5.05)
Visual-constructional ability	0.40 ± 0.49	0.50 ± 0.50	−1.76 (0.083)	0.20	0.60 (0.42, 0.74)	0.28 (27.69)
Standard Version total score	13.70 ± 5.74	14.42 ± 5.73	−2.24 (0.029*)	0.13	0.90 (0.84, 0.94)	0.79 (2.74)
Story Memory	3.22 ± 2.60	3.63 ± 2.96	−1.57 (0.123)	0.15	0.72 (0.58, 0.82)	1.08 (9.00)
Processing Speed	3.87 ± 4.07	3.38 ± 3.96	1.69 (0.096)	0.12	0.84 (0.75, 0.90)	0.89 (4.23)
Expanded Version total score	20.78 ± 10.53	21.43 ± 10.81	−1.26 (0.214)	0.06	0.93 (0.88, 0.96)	1.03 (2.10)

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)