Original sentence: EMDR has been demonstrated to have significant advantages over usual treatment for PTSD in an HMO setting, and improvement was maintained at a six month follow-up.EMDR has been shown to be effective on measures of trauma, depression and anxiety in women who had been sexually abused as children
Edited sentence: Data suggested that the resolution achieved with the participants in the EMDR may have been more complete, in that a smaller percentage of EMDR treatment completers obtained any additional therapy during the follow-up period.EMDR has been demonstrated to have significant advantages over usual treatment for PTSD  in an HMO setting.Furthermore these gains on measures conducted by an independent assessor for PTSD, depression and anxiety were maintained at a six month follow-up.In a study that had an 18 month follow-up EMDR was compared with treatment as usual on women who had been sexually abused as children.The EMDR group was found to improve on every standardised measure which included the Beck Depression Inventory, the Impact of Events Scale, and the State Trait Anxiety Inventory.The effects of EMDR appear to be enduring.These results were consistent with an earlier follow-up evaluation at three months which showed that EMDR had significantly lower scores on two of the four symptom outcome measures