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Fig. 2 | BMC Research Notes

Fig. 2

From: Overcoming the challenges of iris scanning to identify minors (1–4 years) in the real-world setting

Fig. 2

Usability scores according to participant age, assessed using operator survey results (clinical study; n = 635 [Sierra Leone]). Box and whiskers plots indicating median (horizontal line), upper and lower quartiles (boxes), and range (whiskers). Numerical values provided within each box represent the mean. The horizontal dashed line represents the usability threshold (1.45). The number of survey responses is provided at the base of each plot

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