Table 3:
Diagnostic Accuracy of NT-proBNP as Reported in Included Systematic Reviews
Author, Year | # Studies | Assays | Threshold/Cut Off, in pg/mL | Sensitivity (95% CI) | Specificity (95%CI) | PPV or LR+ (95% CI) | NPV or LR-(95% CI) | AUC/ROC (95%CI) | log DOR |
---|---|---|---|---|---|---|---|---|---|
Community/Outpatient Setting | |||||||||
NICE, 201820 | 6 | Elecsys | 67–2000 | Range: 2–100 | Range: 27–100 | PPV range: 29–100 | NPV range: 71–100 | 0.74–0.94 | NR |
3 | 125 | 96 (72–100) | 48 (18–80) | PPV range: 38–48 | NPV range: 87–100 | 0.74–0.94 | NR | ||
Booth et al, 201425 | 20 | Elecsys | 25–6180 | Range: 44–100 | Range: 3–97 | NR | NR | 0.70–0.98 | NR |
11 | Optimuma 87–424 | 86 (79–93) | 58 (42–75) | 2.18 (1.81–2.63) | 0.23 (0.16–0.34) | 0.85 (0.79–0.90) | 2.50 (1.87–3.13) | ||
Emergency Department/Acute Care Setting | |||||||||
Martindale et al, 201628 | 10 | Elecsys, Dimension | 300 | 90 (89–92) | 38 (36–40) | 1.8 (1.4–2.2) | 0.09 (0.03–0.34) | NR | NR |
Hill et al, 201426 | 4 | Elecsys, Dimension | 125–450 | 91 (88–93) | 67 (50–80) | 2.74 (1.74–4.32) | 0.13 (0.10–0.19) | 0.87 (0.79–0.95) | 3.01 (2.34–3.69) |
19 | Optimuma | 90 (85–93) | 74 (67–81) | 3.49 (2.72–4.49) | 0.14 (0.10–0.20) | 0.90 (0.87–0.93) | 3.22 (2.80–3.64) | ||
Mixed Setting | |||||||||
Taylor et al, 201829,b | 7 | Cardiac Reader (POC) | 135 | 99 (57–100) | 60 (44–74) | NR | NR | 0.97 (0.57–1.00) | NR |
NICE, 201419,c | 10 | Elecsys, Dimension | ≤ 300 | Range: 96–100 | Range: 5–93 | NR | NR | 0.99 (0.98–1.00) | NR |
13 | 300–1800 | Range: 75–98 | Range: 49–93 | NR | NR | 0.90 (0.85–0.94) | NR |
Abbreviations: AUC, area under the curve; CI, confidence interval; DOR, diagnostic odds ratio; LR, likelihood ratio; NPV, negative predictive value; NR, not reported; POC, point of care; PPV, positive predictive value; ROC, receiver operating characteristics curve.
The cut off points used by study authors varied among the different studies.
Included both primary and urgent care.
Included inpatient, intensive care unit, emergency department, and acute referral.