Table 1.
Summary of published articles investigating impact COVID-19 in psychiatric health in general population
| Study | Design | Sample size | Outcome measures | Key results |
|---|---|---|---|---|
| 1.Nationwide cohort study | ||||
| Park et al., 2021 [17] | Case control study | 260,883 | Newly registered ICD-10 codes for psychiatric disorder | Higher prevalence of psychiatric illness in COVID-19 survivors than control (12.0% vs. 7.7%, odds ratio = 2.40) Anxiety and stress-related disorder was most common |
| Park et al., 2021 [18] | Case control study | 299,968 | Newly registered ICD-10 codes for insomnia disorder | 3.33-fold higher prevalence of insomnia disorder in COVID-19 survivors than control |
| Park et al., 2021 [20] | Case control study | 306,577 | Newly registered ICD-10 codes for dementia | 1.39-fold higher prevalence of dementia in COVID-19 survivors than comparators |
| Kim et al., 2022 [21] | Case control study | 288,197 | Newly registered ICD-10 codes for MCI and dementia | Risk of developing dementia and MCI was higher in COVID-19 positive group than in COVID-19 negative group (HR: 2.72 & 3.09) |
| 2.Infodemiology data | ||||
| Cha and Jeon 2022 [24] | Relative search volume study | NA | Interests in sleep problems | Searches for insomnia-related keyword significantly increased initially which fell back down. However, the search showed continuous increment in age > 60 |
| 3.Forecasting model | ||||
| Ryu et al., 2022 [29] | Facebook Prophet | 53,127 | Compared suicide deaths before and after COVID-19 | Total numbers of suicides during COVID-19 did not deviate, or did not increase more than expected, from the expected projections. However, suicides among women and age < 34 significantly exceeded the expected level |
| 4.Retrospective chart review | ||||
| Lee et al., 2022 [2] | Single center chart review | 519 | Compared demographics of suicide attempters before and after COVID-19 | Rate of suicide attempts by women increased from 60.1% vs. 69.3% and those with previous psychiatric illness from 63.4% to 72.9% |
COVID-19, coronavirus disease 2019; ICD-10, International Classification of Diseases 10th Revision; MCI, mild cognitive impairment; NA, not applicable; HR: hazard ratio.