Published in:
Open Access
01-12-2016 | Erratum
Erratum to: 'Chinese medicine combined with calcipotriol betamethasone and calcipotriol ointment for Psoriasis vulgaris (CMCBCOP): study protocol for a randomized controlled trial'
Authors:
Ze-Huai Wen, Mei-Ling Xuan, Yu-Hong Yan, Xiao-Yan Li, Dan-Ni Yao, Geng Li, Xin-Feng Guo, Ai-Hua Ou, Chuan-Jian Lu
Published in:
Trials
|
Issue 1/2016
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Excerpt
Unfortunately, the original version of this article [
1] contained an error. The superiority margin difference should be 5 % instead of 10 %. We performed a superiority test of two independent proportions with superiority margin difference of 5 % by PASS 11.0 software again, and the results were the same as mentioned in the paper before. The sentence in the "Sample size calculation" part (Page 5) is corrected as follows: …