Dynamic and ultrastructural study of sphincter of Oddi in early-stage cholelithiasis in rabbits with hypercholesterolemia

Table 2 Manometry of rabbits SO (mmHg)

	Proximal segment		HPZ
	Basal pressure	Amplitude	Basal pressure	Amplitude
Controls	11.7 ± 2.8	18.1 ± 5.9	69.3 ± 9.8	8.7 ± 3.6
Group I	20.9 ± 6.1	6.4 ± 4.5a	138.4 ± 45.5	4.2 ± 2.2a
Group II	25.6 ± 9.1	6.7 ± 4.8b	144.5 ± 40.5	3.4 ± 2.2b

Proximal: Basal pressure

^aP < 0.01, t = 4.20,

^bP < 0.01, t = 5.11 vs controls; Amplitude ^aP < 0.01, t = 4.47, ^bP < 0.01, t = 4. 24 vs control. HPZ: Basal pressure ^aP < 0.01, t = 4.20, ^bP < 0.01, t = 5.11 vs control; Amplitude ^aP < 0.01, t = 3.15, ^bP < 0.01, t = 3.17 vs control.