Table 2.
“Mortality rate meta-analysis”: Eligible studies along with study characteristics and quality / risk of bias assessment based on NOS
| Study | Design | Region | Type of emergency | N | Survivors | Non-survivors | Mortality rate | QA | GRADE level of evidence |
|---|---|---|---|---|---|---|---|---|---|
| Present study (“Case report meta-analysis”) | Meta-analysis | Greece | Overall | 68 | 46 | 22 | 0.324 | O |  |
| DKA | 44 | 32 | 12 | ||||||
| HHS | 1 | 1 | 0 | ||||||
| DKA/HHS | 18 | 8 | 10 | ||||||
| EDKA | 5 | 5 | 0 | ||||||
| Armeni [13] | Case series | UK | Overall | 26 | 24 | 2 | 0.077 | O |  |
| DKA | 11 | 10 | 1 | ||||||
| HHS | 2 | 2 | 0 | ||||||
| DKA/HHS | 13 | 12 | 1 | ||||||
| Alkundi [37] | Cross-sectional study | UK | Overall | 7 | 6 | 1 | 0.129 | S |  |
| DKA | 7 | 6 | 1 | ||||||
| Chamorro-Pareja [20] | Case series | USA | Overall | 50 | 25 | 25 | 0.500 | S |  |
| DKA | 50 | 25 | 25 |
QA quality assessment, L low, VL very low