Table 3.

Reference Ranges for Individual Ducts, With Interquartile Range (IQR) as a Scalar Range, Maximum (max), Median and Minimum (min) Values

Duct	Reference range
	IQR (mm)	Max (mm)	Median (mm)	Min (mm)
CBD	0.1–2.3	3.3–8.9	2.6–6.4	1.7–4.1
CD	0.0–3.5	1.9–7.5	1.3–4.7	0.7–3.6
LHBD	0.0–2.3	2.9–6.2	2.3–5.2	1.8–4.7
PD	0.2–1.5	1.7–5.8	1.4–4.2	0.6–3.2
RABD	0.0–1.5	2.5–5.1	1.9–4.2	1.3–3.9
RHBD	0.1–1.5	2.6–6.2	2.3–5.3	1.7–5.1
RPBD	0.2–1.5	2.6–4.6	1.9–3.3	1.0–2.9