Table 1.

Localization and length of the HPZ defined by station pull-through and 3D-HRM at expiration.

	‘LES length’ Station Pull-through						LES length 3D-HRM
	3 o’clock	6 o’clock	9 o’clock	12 o’clock	Average	Composite	Expiration	Inspiration
Upper border (cm)	38.3 [37–42.9]	36.3 [33.6–38.1]	40.3 [38.6–43]	40.5 [38.9–43.9]	38.8 [37.4–41.9]	36.3 [33.6–38.1]*	42.6 [41.3–45.8]	43.3 [41.5–47.1]
Lower border (cm)	41.3 [40.8–45.5]	39.8 [38.1–42.1]	44.5 [41.9–46.6]	44.5 [42.1–46.5]	42.2 [41.5–45.3]	44.5 [43.8–46.6]*	44.8 [43.6–47.7]	45.3 [44.8–49.6]
LES length (cm)	3.0 [2.5–4]	4.0 [3–4.3]	3.5 [2.5–4.2]	3.0 [2.6–5.2]	3.4 [3–3.8]	8.0 [7.3–10.6]*	2.3 [2.2–2.6]*	2.2 [2.1–2.7]*

^*Different from mean pull-through value (3, 6, 9, and 12 o’clock not tested individually)