Table 1 Characteristics of study subjects
From: Association between periodontitis treatment and dementia in Taiwanese adults
Characteristic | Comparison group | Dementia group | Total | P-value |
|---|---|---|---|---|
(n = 18,930) | (n = 18,930) | |||
n (%) | n (%) | n | ||
Age | 1.000 | |||
40–59 | 1427 (7.5) | 1427 (7.5) | 2854 | |
60–69 | 2828 (14.9) | 2828 (14.9) | 5656 | |
70–79 | 7071 (37.4) | 7071 (37.4) | 14,142 | |
80–89 | 6429 (34) | 6429 (34) | 12,858 | |
90+ | 1175 (6.2) | 1175 (6.2) | 2350 | |
Gender | 1.000 | |||
Female | 9889 (52.2) | 9889 (52.2) | 19,778 | |
Male | 9041 (47.8) | 9041 (47.8) | 18,082 | |
Urbanization | 0.161 | |||
Urban | 10,540 (55.7) | 10,412 (55) | 20,952 | |
Suburban | 2787 (14.7) | 2915 (15.4) | 5702 | |
Rural | 5603 (29.6) | 5603 (29.6) | 11,206 | |
Comorbidity | ||||
Diabetes mellitus | 3530 (18.6) | 5165 (27.3) | 8695 | < 0.001 |
Hypertension | 9047 (47.8) | 11,048 (58.4) | 20,095 | < 0.001 |
Hyperlipidemia | 3263 (17.2) | 3750 (19.8) | 7013 | < 0.001 |
Procedures (before 1 year) | ||||
Periodontal emergency treatment | 1461 (7.7) | 1526 (8.1) | 2987 | 0.215 |
Scaling localized/ full mouth | 3704 (19.6) | 3464 (18.3) | 7168 | 0.002 |
Comprehensive periodontal treatment | 7 (0) | 9 (0) | 16 | 0.617 |
Procedures (before 3 years) | ||||
Periodontal emergency treatment | 3107 (16.4) | 3325 (17.6) | 6432 | 0.003 |
Scaling localized/ full mouth | 6887 (36.4) | 6596 (34.8) | 13,483 | 0.002 |
Comprehensive periodontal treatment | 13 (0.1) | 13 (0.1) | 26 | 1.000 |