Text: Another surprise was that in the new study, a single intervention session at the time of the emergency visit made no difference in any outcome measures at either 3 months or 1 year.
Entailment: It was surprising when the new study found that single intervention sessions at the time of the emergency visit didn't make a difference to the outcome.
Contradiction: It was surprising when the new study found that intervention sessions held at the time of the emergency visit had a dramatic effect no 3 month and 1 year outcomes.