Categories of dementia | Glucosamine non-users | Glucosamine users | P value |
---|---|---|---|
N = 162,052 | N = 52,893 | ||
Vascular dementia | |||
No. of case | 1039 | 229 | - |
Person-years | 1,853,990 | 613,980 | - |
Age- and sex-adjusted model | 1 [Reference] | 0.68 (0.59, 0.78) | < 0.001 |
Model 1 | 1 [Reference] | 0.82 (0.70, 0.96) | 0.014 |
Model 2 | 1 [Reference] | 0.83 (0.70, 0.97) | 0.023 |
Alzheimer’s disease | |||
No. of case (%) | 1774 | 581 | |
Person-years | 1,852,132 | 613,119 | |
Age- and sex-adjusted model | 1 [Reference] | 0.97 (0.88, 1.07) | 0.553 |
Model 1 | 1 [Reference] | 1.02 (0.92, 1.14) | 0.648 |
Model 2 | 1 [Reference] | 1.00 (0.89, 1.11) | 0.929 |
Frontotemporal dementia | |||
No. of case (%) | 122 | 32 | - |
Person-years | 1,855,706 | 614,363 | - |
Age- and sex-adjusted model | 1 [Reference] | 0.83 (0.56, 1.23) | 0.348 |
Model 1 | 1 [Reference] | 0.95 (0.63, 1.43) | 0.804 |
Model 2 | 1 [Reference] | 1.20 (0.78, 1.85) | 0.401 |