Table 2.

Mean clinical score and hydrogen breath values at visit 2 when group A received lactase and group B received placebo

	Mean clinical score			Mean hydrogen breath levels (ppm)
Time (minutes)	Group A (n = 23) (lactase)	Group B (n = 24) (placebo)	P value	Group A (n = 23) (lactase)	Group B (n = 24) (placebo)	P value
0	0.262	1.458	0.253	25.83	31.67	0.183
30	0.484	1.700	0.319	28.17	33.33	0.079
60	0.662	1.508	0.171	39.83	53.08	0.027
90	0.392	1.474	0.199	53.52	78.92	0.012
120	0.234	1.392	0.068	56.96	96.38	0.021
150	0.348	1.302	0.267	59.78	98.42	0.012
180	0.244	1.132	0.266	58.44	109.46	0.008