Table 1.
Baseline characteristics of the included studies.
| First Author | Study Design | Sample | Hypocalcemia Cut-off Value (mmol/L) | Outcome | Age | Male | Diabetes | Hypertension | CKD | NOS |
|---|---|---|---|---|---|---|---|---|---|---|
| Filippo L 2020 | RC | 531 | – | Mortality | 59 | 67.8 | 13.7 | 33.3 | – | 8 |
| Liu J 2020 | RC | 107 | <2.15 | ICU/IMV/Death | 68 | 49 | 19 | 37 | – | 8 |
| Lu L 2020 | RC | 304 | – | IMV | 44 | 59.9 | – | – | – | 6 |
| Sun J 2020 | RC | 241 | <2.00 | Mortality | 65 | 46.5 | – | – | – | 6 |
| Tezan M 2020 | RC | 408 | <2.12 | Mortality | 54.3 | 46.1 | 23.5 | 31.9 | 3.2 | 6 |
| Torres B 2020 | RC | 316 | ICU Care | 65 | 65 | 16 | 51 | – | 6 | |
| Wu Y 2020 | RC | 125 | <2.20 | Prolonged Hospitalization | 55 | 52.8 | 20 | 28 | – | 8 |
CKD: Chronic Kidney Disease; NOS: Newcastle-Ottawa Scale; RC: Retrospective Cohort.