Table 2.

Estimation of multichannel intraluminal impedance-pH catheter length according to height

Height (cm)	Catheter depth (cm)
56–68	15–17.5
68–80	17.5–20
80–86	20–22.5
86–92	22.5–25
92–98	25–26
98–116	26–27.5
116–128	28–30
128–140	30–32
140–152	32–35
152–176	35–40

Reproduced with permission from John Wiley & Sons Ltd.¹⁶