Cholecystokinin Cholescintigraphy: Methodology and Normal Values Using a Lactose-Free Fatty-Meal Food Supplement

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FIGURE 1.
Supplement-stimulated gallbladder time–activity curves are shown for subjects 5, 7, 6, 4, 13, and 12 (from left to right and top to bottom). Curves for gallbladder emptying varied considerably, both in delay before emptying began and, most markedly, in pattern of emptying (linear, exponential, or biexponential).
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FIGURE 2.
Cumulative distribution of GBEF observations for study subjects. Normal model is systematically biased, predicting GBEFs too large below median and too small above median. Nearly perfect fit is obtained with cubic polynomial.

TABLE 1

Age, Sex, Weight, Lag Phase, and GBEF Values for All Subjects Who Ingested Supplement

Subject no.	Age (y)	M/F	Weight			Lag phase (min)	GBEF (%)
Subject no.	Age (y)	M/F				Lag phase (min)	GBEF (%)	kg	lb
1	31	M	67.5	150	2	95
2	34	M	72.0	160	1	92
3	41	F	67.5	150	1	88
4	54	F	90.4	201	15	83
5	30	M	69.8	155	3	83
6	29	F	63.0	140	6	77
7	32	M	79.6	177	3	72
8	30	F	67.5	150	5	70
9	30	F	94.5	210	3	62
10	30	F	56.2	125	2	52
11	24	F	59.8	133	4	51
12	41	F	67.5	150	3	48
13	29	F	83.2	185	7	48
14	32	F	101.2	225	2	41
15	21	F	59.8	133	1	36
16	37	M	85.5	190	35	34
17	41	M	63.0	140	3	33
Mean ± SD	33 ± 8		73.4 ± 13.5	163 ± 30	5.6 ± 6.2	62.6 ± 21.3