43 Observer agreement of aCTG assessments Table S2 Intraobserver agreement in various FIGO components of antenatal CTGs for professional groups in maternity care using proportions of agreement. Proportions of agreement (95% CI) Primary care midwives Hospital-based midwives Residents Obstetricians Baseline heart frequency 0.96 (0.67-1.00) 0.95 (0.67-0.99) 0.96 (0.69-1,00) 0.95 (0.66-1.00) Variability 0.92 (0.62-0.99) 0.88 (0.59-0.98) 0.90 (0.61-0.98) 0.85 (0.54-0.96) Accelerations 0.94 (0.64-0.99) 0.83 (0.54-0.96) 0.91 (0.62-0.98) 0.84 (0.53-0.96) Decelerations 0.88 (0.57-0.97) 0.89 (0.60-0.98) 0.87 (0.58-0.97) 0.89 (0.59-0.98) Contractions 0.83 (0.52-0.96) 0.88 (0.59-0.98) 0.88 (0.59-0.97) 0.86 (0.55-0.97) CTG, cardiotocography; FIGO, International Federation of Gynecology and Obstetrics; CI, confidence interval. 2
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