Table 4.
Number of participants who could perform a complete or incomplete MMSE, according to different reasons
| Complete examination | Reasons for incomplete examination |
All | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| visual impairment |
hearing impairment |
refusal of 1 or more items |
other reasons |
incomplete examination |
||||||||||
| 1895 | 1905 | 1895 | 1905 | 1895 | 1905 | 1895 | 1905 | 1895 | 1905 | 1895 | 1905 | 1895 | 1905 | |
| Proportion | 72/156 (46.2) | 81/176 (46.0) | 84/156 (53.8) | 95/176 (54.0) | ||||||||||
| MMSE | n = 72 | n = 81 | n = 84 | n = 95 | n = 156 | n = 176 | ||||||||
| 24-30 | 32 (44.4) | 43 (53.1) | 11 | 8 | 0 | 0 | 2 | 6 | 1 | 3 | 13 (15.5) | 13 (13.7) | 45 (28.8) | 56 (31.8) |
| 18-23 | 25 (34.7) | 27 (33.3) | 16 | 14 | 10 | 6 | 9 | 14 | 3 | 6 | 27 (32.1) | 24 (25.3) | 52 (33.3) | 51 (29.0) |
| 0-17 | 15 (20.8) | 11 (13.6) | 26 | 28 | 8 | 23 | 18 | 36 | 8 | 36 | 44 (52.4) | 58 (61.0) | 59 (37.8) | 69 (39.2) |
| p value | 0.41 | 0.50 | 0.66 | |||||||||||
Some of the participants had more than 1 reason for not completing the examination. Figures are numbers of cases with percentages in parentheses. Other reasons: 1895 cohort: no specific reasons defined. 1905 cohort: paralysis, could not understand the instructions, impairment of speech or other non-specified reason. p value: as obtained by Fisher's exact test.