Yes, that group had a 40% placebo rate vs the 90% placebo response of the NY group. However it is a very small group, and only marginally significant. It needs

Yes, that group had a 40% placebo rate vs the 90% placebo response of the NY group. However it is a very small group, and only marginally significant. It needs a larger, better designed study (preferably one which objectively measures c.diff infection status before and after), but if one study fails to show a response that's a pretty good indication that the treatment is suspect.