Table 2

Comparison between 2 groups of residual drug in 1 month and 2 months follow-up
Residual drug One month follow-up Two month follow-up
Treatment group Control group Treatment group Control group
0 capsules 25(50.0) 20(40.8) 38(76.0) 31(63.3)
1-5 capsules 17(34.0) 23(46.9) 6(12.0) 10(20.4)
6-12capsules 8(16.0) 6(12.2) 6(12.0) 8(16.3)
Total 50(100.0) 49(100.0) 50(100.0) 49(100.0)
Z / P value* 0.547/ 0.584 1.298/ 0.194

* Mann–Whitney test was used to compare differences of mean rank between the control group and treatment group.

Cai et al.

Cai et al. Nutrition Journal 2013 12:57   doi:10.1186/1475-2891-12-57

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