Table 1 Baseline characteristics of participants before and after propensity score matching
| Â | Before matching | After matching | ||||
|---|---|---|---|---|---|---|
|  | No Dementia (n = 9,868) | Dementia (n = 303) | P-value | No Dementia (n = 504) | Dementia (n = 252) | P-value |
Age | 71.7 ± 5.3 | 74.6 ± 5.9 | <0.001 | 74.5 ± 5.6 | 74.6 ± 5.7 | 0.729 |
Male sex | 5,346 (54.2) | 136 (44.9) | 0.002 | 243 (48.2) | 111 (44.0) | 0.315 |
Health security system | ||||||
 National health insurance | 8,840 (89.6) | 261 (86.1) | 0.067 | 446 (88.5) | 214 (84.9) | 0.203 |
 Medical aid | 1,028 (10.4) | 42 (13.9) |  | 58 (11.5) | 384 (15.1) |  |
Comorbidities | ||||||
 Diabetes | 5,413 (54.9) | 175 (57.8) | 0.347 | 304 (60.3) | 142 (56.3) | 0.333 |
 Cerebrovascular disease | 1,521 (15.4) | 131 (43.2) | <0.001 | 223 (44.2) | 107 (42.5) | 0.697 |
 Hemiparesis | 152 (1.5) | 15 (5) | <0.001 | 29 (5.8) | 12 (4.8) | 0.691 |
 Acute myocardial infarction | 459 (4.7) | 11 (3.6) | 0.487 | 14 (2.8) | 9 (3.6) | 0.708 |
 Congestive heart failure | 1,829 (18.5) | 70 (23.1) | 0.053 | 115 (22.8) | 60 (23.8) | 0.831 |
 Peripheral vascular disease | 792 (8) | 38 (12.5) | 0.007 | 64 (12.7) | 29 (11.5) | 0.725 |
 Chronic pulmonary disease | 2,205 (22.3) | 58 (19.1) | 0.211 | 96 (19.5) | 50 (19.8) | 0.871 |
 Connective tissue disease | 314 (3.2) | 7 (2.3) | 0.491 | 9 (1.8) | 4 (1.6) | 1.000 |
 Peptic ulcer disease | 1,694 (17.2) | 47 (15.5) | 0.499 | 88 (17.5) | 40 (15.9) | 0.656 |
 Liver disease | 885 (9) | 20 (6.6) | 0.186 | 35 (6.9) | 15 (6.0) | 0.717 |
 Any cancer | 841 (8.5) | 30 (9.9) | 0.459 | 68 (13.5) | 26 (10.3) | 0.258 |