Table S25.
Pooled relative risk and mean likelihood ratios for placental abruption, according to BP cut-offs at <20 weeks, determined by ACC/AHA BP categories
| COMPARATOR | ||||
|---|---|---|---|---|
| BP measured at <20 weeks | Ref | RR [95% CI] I2, (95% PI) | -LR | +LR |
| Diagnostic threshold: sBP 120mmHg (with dBP <80mmHg) | ||||
| Pooled LR | Normal (<120/80 mmHg) | 1.1 [0.9, 1.3] I2=0%, (0.7, 1.6) | 0.98 [0.93, 1.03] | 1.05 [0.90, 1.22] |
| Greenberg | 1.1 [0.8, 1.5] | 0.98 [0.89, 1.08] | 1.05 [0.84, 1.32] | |
| Qureshi | 1.0 [0.6, 1.7] | 1.00 [0.90. 1.10] | 1.02 [0.60, 1.74] | |
| Sevene | 0.8 [0.1, 10.1] | 1.20 [0.40, 3.62] | 0.67 [0.04, 10.05] | |
| Sutton 2020 | 1.1 [0.8, 1.5] | 0.97 [0.90, 1.05] | 1.08 [0.88, 1.32] | |
| Diagnostic threshold: sBP 130mmHg or dBP 80mmHg | ||||
| Pooled LR | Normal + ElevatedBP (<130/80 mmHg) | 1.1 [1.0, 1.2] I2=0%, (1.0, 1.3) | 0.97 [0.94, 0.99] | 1.10 [1.04, 1.17] |
| Duffy | 1.1 [1.1, 1.2] | 0.97 [0.95, 0.99] | 1.11 [1.04, 1.18] | |
| Huai | 1.0 [0.6, 1.9] | 0.99 [0.78, 1.25] | 1.03 [0.66, 1.59] | |
| Greenberg | 1.3 [0.9, 1.9] | 0.96 [0.89, 1.02] | 1.27 [0.92, 1.74] | |
| McLaren | 1.0 [0.1, 15.8] | 1.00 [0.32, 3.12] | 1.00 [0.32, 3.12] | |
| Qureshi | 1.2 [0.7, 2.1] | 0.97 [0.89, 1.06] | 1.28 [0.66, 2.47] | |
| Sabol | 1.0 [0.5, 2.1] | 0.99 [0.85, 1.16] | 1.03 [0.58, 1.81] | |
| Sevene | 0.8 [0.1, 10.1] | 1.20 [0.40, 3.62] | 0.67 [0.04, 10.05] | |
| Sutton 2020 | 0.8 [0.6, 1.3] | 1.02 [0.98, 1.06] | 0.87 [0.60, 1.28] | |
| Diagnostic threshold: sBP 140mmHg or dBP 90mmHg | ||||
| Pooled LR | Normal + Elevated BP +Stage 1 HTN (<140/90 mmHg) | 1.4 [1.0, 1.9] I2=0%, (0.8, 2.3) | 0.97 [0.91, 1.00] | 1.41 [1.04, 1.85] |
| Greenberg | 1.6 [1.0, 2.5] | 0.96 [0.91, 1.01] | 1.55 [1.00, 2.39] | |
| Sutton 2020 | 1.1 [0.7, 1.9] | 0.99 [0.96, 1.02] | 1.17 [0.73, 1.87] | |
| Qureshi | 1.9 [0.6, 5.7] | 0.98 [0.95, 1.02] | 2.65 [0.53, 13.18] | |
| Sevene | N/A | 0.86 [0.35, 2.07] | 2.00 [0.06, 68.48] | |
| McLaren | 6.4 [0.4, 100.1] | 0.58 [0.19, 1.79] | 3.75 [1.16, 12.13] | |
| Sabol | 1.1 [0.3, 2.8] | 0.98 [0.87, 1.09] | 1.19 [0.54, 2.62] | |
ACC (American College of Cardiology), AHA (American Heart Association), BP (blood pressure), dBP (diastolic BP), -LR (negative likelihood ratio), +LR (positive likelihood ratio), sBP (systolic BP) CI (confidence interval), PI (prediction interval)
Slade. The diagnostic accuracy of American College of Cardiology-American Heart Association blood pressure categories for identification of women and babies at risk. Am J Obstet Gynecol 2023.