Nutrition Journal

Table 4 Proportions of subjects with improvements in gastrointestinal symptoms after consuming milk containing A2 β-casein relative to milk containing A1 β-casein (all study sites combined)

From: Effects of cow’s milk beta-casein variants on symptoms of milk intolerance in Chinese adults: a multicentre, randomised controlled study

Measurement	Improvement	Borborygmus		Flatulence		Bloating		Abdominal Pain
		n	%	n	%	n	%	n	%
1 h (n=600)	No symptom	50	8.3%	61	10.2%	112	18.7%	119	19.8%
	Significant improvement	9	1.5%	9	1.5%	6	1.0%	1	0.2%
	Slight improvement	310	51.7%	314	52.3%	279	46.5%	88	14.7%
	No difference	231	38.5%	216	36.0%	203	33.8%	392	65.3%
3 h (n=600)	No symptom	33	5.5%	29	4.8%	62	10.3%	240	40.0%
	Significant improvement	8	1.3%	9	1.5%	5	0.8%	6	1.0%
	Slight improvement	362	60.3%	341	56.8%	338	56.3%	131	21.8%
	No difference	197	32.8%	221	36.8%	195	32.5%	223	37.2%
12 h (n=400)^a	No symptom	51	12.8%	102	25.5%	83	20.8%	121	30.3%
	Significant improvement	0	0.0%	0	0.0%	1	0.3%	0	0.0%
	Slight improvement	4	1.0%	24	6.0%	105	26.3%	140	35.0%
	No difference	345	86.3%	274	68.5%	211	52.8%	139	34.8%
Measurement	Improvement	Stool Frequency		Stool Consistency		All Symptoms
		n	%	n	%	n	%
1 h (n=600)	No symptom	120	20.0%	128	21.3%	16	2.7%
	Significant improvement	1	0.2%	1	0.2%	282	47.0%
	Slight improvement	65	10.8%	61	10.2%	236	39.3%
	No difference	414	69.0%	410	68.3%	66	11.0%
3 h (n=600)	No symptom	304	50.7%	310	51.7%	4	0.7%
	Significant improvement	0	0.0%	1	0.2%	480	80.0%
	Slight improvement	114	19.0%	87	14.5%	100	16.7%
	No difference	182	30.3%	202	33.7%	16	2.7%
12 h (n=400)^a	No symptom	199	49.8%	202	50.5%	21	5.3%
	Significant improvement	0	0.0%	0	0.0%	127	31.8%
	Slight improvement	25	6.3%	22	5.5%	186	46.5%
	No difference	176	44.0%	176	44.0%	66	16.5%

^aThe VAS was not assessed at 12 h in Shanghai

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ISSN: 1475-2891

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