Table 1 Demographic and clinical characteristics, cognitive function of participants in the three groups
No or questionable dementia Group 1 (n=38) | Mild dementia Group 2 (n=39) | Moderate to severe dementia Group 3 (n=23) | Group differences | ||||
|---|---|---|---|---|---|---|---|
Characteristics | no. (%) | no. (%) | no. (%) | ||||
Women | 20 (52.6) | 24 (61.5) | 13 (56.5) | ||||
Characteristics | n | Mean (SD, min-max) | n | Mean (SD, min-max) | n | Mean (SD, min-max) | P-values |
Age, years | 38 | 76.7 (6.7, 64-88) | 39 | 79.9 (6.2, 65-92) | 23 | 80.9 (6.8, 66-93) | 0.032 |
BMI | 32 | 25.4 (4.4, 16.3-33.1) | 32 | 25.4 (3.9, 19.4-34.8) | 22 | 24.9 (3.9, 17.5-32.2) | 0.885 |
Years of education | 36 | 11.1 (3.4, 7-21) | 39 | 10.5 (3.1, 7-22) | 22 | 9.8 (3.1, 7-17) | 0.364 |
IADL score, 0-8, women | 16 | 6.9 (1.4, 4-8) | 20 | 5.8 (1.1, 4-8) | 12 | 2.6 (1.4, 0-5) | <0.001 |
IADL score, 0-5, men | 16 | 4.1 (0.8, 3-5) | 14 | 3.3 (1.1, 1-5) | 8 | 2.3 (0.7, 1-3) | <0.001 |
Medications used on regular basis, no. | 36 | 4.5 (2.6, 0-11) | 35 | 4.7 (3.1, 0-12) | 23 | 0.710 | |
Grip strength, kg WOMEN | 16 | 21.6 (8.9, 12-49) | 19 | 18.2 (4.0, 9-25) | 9 | 16.0 (4.4, 8-20) | 0.086 |
Grip strength, kg, MEN | 14 | 35.7 (9.4, 24-56) | 9 | 26.4 (7.0, 18-42) | 9 | 29.2 (8.2, 20-42) | 0.039 |
MMSE, score, 0-30 | 36 | 25.0 (4.1, 10-30) | 34 | 21.9 (4.2, 15-30) | 23 | 17.0 (3.9, 10-25) | <0.001 |
CDT, score, 0-5 | 36 | 3.8 (1.4, 0-5) | 35 | 3.7 (1.4, 0-5) | 22 | 2.1 (1.1, 0-4) | <0.001 |
TMT-A time, seca | 38 | 89.5 (68.8, 23-300) | 38 | 138.0 (89.5, 42-300) | 20 | 170.5 (88.7, 52-300) | 0.001 |
TMT-B time, secb | 34 | 164.2 (32.7, 48-180) | 32 | 170.9 (22.0, 105-180) | 12 | 180 | 0.173 |