Table 4 Signal intensity values acquired after ingestion of the fruit juice.

From: Optimization of pineapple juice amount used as a negative oral contrast agent in magnetic resonance cholangiopancreatography

Signal intensity (SI) values

Group 1 (N = 308)

Group 2 (N = 305)

P

SI stomach

76 (IQR 20)

72.5 (IQR 34)

0.069

SI duodenum

186 (IQR 41)

178.5 (IQR 108)

0.28

SI reference

2180 (IQR 975)

2206 (IQR 468)

0.455

SI ratio stomach/reference

3.31 (IQR 1.64)

3.08 (IQR 1.59)

0.057

SI ratio duodenum/reference

8.59 (IQR 4.04)

8.08 (IQR 5.79)

0.176

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