Table 1

Results from the preliminary experiment, n=21 caregivers

Volume (ml) measured with
Metal spoonCalibrated spoonSyringe
Mean3.61 (95% CI 3.30 to 3.92)5.05 (95% CI 4.75 to 5.35)5.09 (95% CI 4.90 to 5.28)
SD0.7120.6870.435
Range2.29–4.683.76–6.613.49–5.60
95% Reference range2.19–5.043.67–6.424.22–5.96