Table 1 Study population
From: Comorbidity of dementia: a cross-sectional study of primary care older patients
Patients ≥65 without dementia | Patients ≥65 with dementia | p value | |||||
|---|---|---|---|---|---|---|---|
Total | Men | Women | Total | Men | Women | ||
n (%) | 68,844 (94.55) | 28,176 (40.93) | 40,668 (59.07) | 3,971 (5.45) | 1,185 (29.84) | 2,786 (70.16) | 0.000 |
Mean age (SD) | 75.53 (7.28) | 74.62 (6.85) | 76.16 (7.51) | 80.22 (7.09) | 79.10 (6.94) | 80.70 (7.10) | 0.000 |
Number of diseases n (%) | |||||||
1 | 15,052 (21.86) | 6,718 (23.84) | 8,334 (20.49) | 490 (12.34)* | 137 (11.56)* | 353 (12.67)* | 0.000 |
2 | 15,934 (23.15) | 6,730 (23.89) | 9,204 (22.63) | 717 (18.06) | 218 (18.40) | 499 (17.91) | 0.000 |
3 | 12,795 (18.59) | 5,085 (18.05) | 7,710 (18.96) | 856 (21.56) | 260 (21.94) | 596 (21.39) | 0.000 |
4 | 8,500 (12.35) | 3,203 (11.37) | 5,297 (13.02) | 700 (17.63) | 222 (18.73) | 478 (17.16) | 0.000 |
5 | 4,604 (6.69) | 1,634 (5.80) | 2,970 (7.30) | 555 (13.98) | 151 (12.74) | 404 (14.50) | 0.000 |
≥6 | 3,831 (5.55) | 1,320 (4.68) | 2,511 (6.17) | 653 (16.44) | 197 (16.62) | 456 (16.38) | 0.000 |
Mean number of diseases (SD) | 2.44 (1.75) | 2.32 (1.69) | 2.52 (1.79) | 3.69 (1.95) | 3.69 (1.94) | 3.68 (1.96) | 0.000 |