Table 1.
Examples of inconsistent MMSE cut-off scores reported in the literature
| Study | MMSE score | Descriptor used in study |
|---|---|---|
| Folstein et al. (1975) | 20 or less 24–30 |
Likely dementia Normal |
| Tombaugh and McIntyre (1992) | 24–30 18–23 0–17 |
No impairment Mild cognitive impairment Severe cognitive impairment |
| Chopra et al. (2007) | 27–30 24–26 18–23 14–17 0–13 |
Normal Borderline impairment Mild impairment Moderate impairment Severe impairment |
| Ferrell et al. (2000) | 19 or less | Cognitive impairment |
| Kaasalainen et al. (1998) | 23 or less | Cognitive impairment |
| Scherder and Bouma (2000) | 18 | Serious cognitive disturbance |
| Krulewitch et al. (2000) | 24 | Mild cognitive impairment |
| Tsai et al. (2008) | 9 or less 25–30 |
Severe cognitive impairment No cognitive impairment |
| Radbruch et al. (2000) | 20/21 | Impaired |
| Chopra et al. (2008) | 14 or less | Severe cognitive impairment |
| Shega et al. (2008) | 24 or greater 9 or less |
Cognitively intact Severe cognitive impairment |