Using electronic patient records to assess the effect of a complex antenatal intervention in a cluster randomised controlled trial—data management experience from the DESiGN Trial team

Table 1 Outlier limits derived following clinical consensus

	Lower limit	Upper limit
Maternal age at delivery (years)	13y	60y
Height (cm)	120 cm	200 cm
Weight (kg)	30 kg	200 kg
BMI (kg/m²)	13 kg/m²	70 kg/m²
EBL (mL)	1 mL	15,000 mL
Birthweight (g)	100 g	6000 g

ISSN: 1745-6215