Table 3.
Multivariable Cox regression analysis for development of dementia after excluding test negative individuals.
| Variable | Cox Regressuib Analysis | p-Value | |
|---|---|---|---|
| HR (95% CI) | |||
| Covariates-adjusted model 1 (multivariable analysis) | |||
| Control group | 1 | ||
| COVID-19 survivors | 3.30 (2.43, 4.47) | <0.001 | |
| Covariates-adjusted model 2 (multivariable analysis) | |||
| Control group (n = 299,444) | 1 | ||
| COVID-19 survivors without hospitalization (n = 6336) | 3.09 (2.11, 4.52) | <0.001 | |
| COVID-19 survivors with hospitalization (n = 797) | 3.68 (2.31, 5.88) | <0.001 | |
| Covariates-adjusted model 3 (multivariable analysis) | |||
| Control group (n = 299,444) | 1 | ||
| COVID-19 survivors without oxygen therapy (n = 6375) | 3.17 (2.18, 4.62) | <0.001 | |
| COVID-19 survivors with oxygen therapy (n = 758) | 3.53 (2.19, 5.71) | <0.001 | |
| Covariates-adjusted model 4 (multivariable analysis) | |||
| Duration of isolation due to COVID-19, day | 1.03 (1.02, 1.03) | <0.001 | |
Control group: adults who did not contract COVID-19. HR, hazard ratio; CI, confidence interval; COVID-19, Coronavirus disease.