TABLE 2.
Comprehensiveness of CCSR per CEOsys topic, publication type and study type
| CEOsys topic | References in sample | References in CCSR | Additional references in CCSR | References in CCSR (without additional references) | Comprehensiveness in % (without additional references) |
|---|---|---|---|---|---|
| Outpatient and inpatient care | 155 | 223 | 88 | 135 | 87.1 |
| Diagnosis | 88 | 72 | 11 | 61 | 69.3 |
| Hospital hygiene | 3 | 3 | 0 | 3 | 100.0 |
| Intensive and palliative care | 14 | 10 | 0 | 10 | 71.4 |
| Mental health | 5 | 1 | 0 | 1 | 20.0 |
| Public health | 42 | 40 | 13 | 27 | 64.3 |
| Total | 307 | 349 | 112 | 237 | 77.2 |
| Publication type | |||||
| Journal article | 170 | 193 | 46 | 147 | 86.5 |
| Preprint | 84 | 80 | 36 | 44 | 52.4 |
| Trial registry record | 19 | 23 | 4 | 19 | 100.0 |
| Mixed | 34 | 53 | 26 | 27 | 79.4 |
| Study type | |||||
| Interventional | 90 | 165 | 80 | 85 | 94.4 |
| Observational | 193 | 163 | 25 | 138 | 71.5 |
| Modeling | 22 | 21 | 7 | 14 | 63.6 |
| Qualitative | 2 | 0 | 0 | 0 | 0.0 |
Abbreviations: CCSR, Cochrane COVID‐19 Study Register; CEOsys, evidence ecosystem for COVID‐19 research.