Treatment Completion
A treatment completer was defined as a participant who completed all 15 treatment sessions or responded early (33 participants) after at least 12 treatment sessions with at least a 10-point reduction on the PCL-5 and participant and therapist agreement that early termination was appropriate. There was not a significant difference in treatment completion between groups (IOP-PE: 82 participants [70%]; massed-PE: 90 participants [77%]; 