Table 1 Newcastle–Ottawa Scale (NOS) scores for the quality assessment of the articles included in this meta-analysis
From: The prognostic value of serum amyloid A in solid tumors: a meta-analysis
Study | Selection | Comparability | Outcome | Scores | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Representativeness of cases | Selection of controls | Ascertainment of cases | Outcome at start | Controls for the most important factor | Controls for additional factor | Assessment of outcome | Follow-up long enough for outcome | Integrity of follow-up | ||
Kimura [15] | 1 | 1 | 1 | 1 | 1 | 1 | – | 1 | – | 7 |
Pierce [16] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 |
Vermaat [17] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | – | 8 |
Wood [18] | 1 | 1 | – | 1 | 1 | 1 | – | 1 | – | 6 |
Kwon [19] | 1 | 1 | 1 | 1 | 1 | 1 | – | 1 | – | 7 |
Wang [20] | 1 | 1 | 1 | 1 | 1 | 1 | – | 1 | 1 | 8 |
Meng [21] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 |
Giessen [22] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | – | 8 |
Ni [23] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | – | 8 |
Haas [24] | 1 | 1 | 1 | 1 | – | – | 1 | 1 | – | 6 |
Chen [25] | 1 | 1 | 1 | 1 | – | – | – | 1 | – | 5 |
Zhao [26] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 |