Fig 1.
Photograph indicating aspects of the One Grows™ device.
Aspects include 1) ultrasonic detectors, 2) display screen, 3) button for taking measurements, 4) flat bottom end to place against a flat surface. The dimension of the device is length: 21cm, width: 6cm and depth: 2cm.
Fig 2.
Measurement process for one child.
Table 1.
SMART acceptable limits for TEMs of precision and accuracy.
Table 2.
Sample characteristics.
Table 3.
Summary statistics for all measurements taken using both devices (n = 222 children).
Table 4.
Difference of measurements between ultrasound and board measurements (cm).
Fig 3.
The average height measurements of the ultrasound readings were subtracted from the average of measurement board readings for each child (y-axis) plotted against the average height measured for each child by both tools (x-axis).
Table 5.
Precision and accuracy of ultrasound and measurement board.