Table 1 Baseline characteristics of the included studies
Author | Design | Sample | Age (mean/median) | Male (%) | Hypertension (%) | HF (%) | CAD (%) | CLD (%) | Outcome | NOS |
|---|---|---|---|---|---|---|---|---|---|---|
Baycan et al. [16] | Retrospective cohort | 100 | 55.6 | 50 | 29 | - | - | - | Mortality | 8 |
Bursi et al. [17] | Retrospective cohort | 49 | 65.7 | 63.3 | 49 | 6.1 | 22.4 | 12.2 | Mortality | 8 |
Croft et al. [6] | Retrospective cohort | 58 | 54.1 | 58.6 | 68.9 | 17.2 | 22.4 | 13.8 | Mortality | 6 |
Janus et al. [7] (letter) | Retrospective cohort | 31 | 64 | - | - | - | - | - | Mortality | - |
Kim et al. [15] | Prospective–retrospective cohort | 40 | 60 | 50 | 37.5 | 0 | 0 | 0.03 | Severity | 8 |
Lassen et al. [4] | Prospective cohort | 214 | 68.9 | 54.7 | 57 | 10.3 | 15.9 | 15 | Mortality | 8 |
Li et al. [8] | Cohort | 120 | 61 | 48 | 40 | - | 9.2 | 5 | Mortality | 9 |