It was statistically insignificant among the whole early introduction group. This includes everyone who may have been randomised into that group but then didn't follow the (quite onerous) regimen that we were given. This was a full schedule of when different foods had to be fed to the baby and how much. We'd have to record whether they had eaten the amount required and so on. Among those who did follow it, the results were significant. Most importantly, there were zero cases of peanut allergy in that group.

More details are in the paper itself: https://www.nejm.org/doi/full/10.1056/NEJMoa1514210