Table 1. Basic information about the selected studies.
| Author (s) | Population (ethnicity) | Published time | Research type | Patients’ diagnosis | Number of patients | Severity degree | Prognosis | NOS score |
|---|---|---|---|---|---|---|---|---|
| Kamińska et al. (9) | Poland | 2018 | Retrospective | ACS | 93 | hs-CRP | NA | 9 |
| Novo et al. (10) | Italy | 2015 | Prospective | STEMI | 33 | NA | MACE | 8 |
| Wang et al. (6) | China | 2014 | Retrospective | ACS | 60 | hs-CRP | NA | 8 |
| García-Salas et al. (11) | Spain | 2014 | Prospective | NSTEMI-ACS and troponin- negative low- risk patients | 212 | NA | MACE | 7 |
| Liu et al. (12) | China | 2013 | Retrospective | ACS | 40 | Number of diseased vessels | NA | 9 |
| Nishida et al. (13) | Japan | 2011 | Prospective | ACS | 121 | hs-CRP | MACE | 7 |
AMI, acute myocardial infarction; STEMI, ST-elevation myocardial infarction; NSTEMI, non-ST-elevation myocardial infarction; ACS, acute coronary syndrome; hs-CRP, high-sensitivity C-reactive protein; NA, not available; NOS, Newcastle-Ottawa Scale.