Characteristics of patients for included studies
| Author, country, year | Case/ controls (N) | Mean age (months) | Biomarkers tested | Cut-off | Sensitivity, specificity |
|---|---|---|---|---|---|
| Kawamura T, Japan, 2000 | 32/26 (58) | 21 | BNP | 16.8 pg/mL | 0.97, 0.86 |
| Lee H, Korea, 2006 | 58/34 (92) | 33.6 | NT-proBNP | 260 ng/L | 0.93, 0.88 |
| Zhang QY, China, 2006 | 6/16 (22) | 19 | NT-proBNP | 103.6 ng/L | 1, 1 |
| Dahdah N, Canada, 2009 | 43/19 (62) | 47.1 | NT-proBNP | 170 ng/L | 0.78, 0.63 |
| Cho SY, Korea, 2011 | 59/59 (108) | 33.2 | NT-proBNP | 235.2 ng/L | 0.66, 0.77 |
| McNeal-Davidson A, Canada, 2012 | 81/49 (130) | 42 | NT-proBNP | 190 ng/L | 0.89, 0.69 |
| Shiraishi M, Japan, 2013 | 149/506 (655) | 33 | NT-proBNP | 98 pg/mL | 0.98, 0.47 |
BNP, B-type natriuretic peptide; NT-proBNP, N-terminal prohormone serum BNP.