Hi,
Yes, definitely I can say as such. My elder sibling finished MBA program in 15 months (Original duration was 18 months) with full 57 Credit Hours and received a 3 year PGWP.
I think even in his case it's an issue of Credit Hours. I agree that on CIC website there is no mentioning of Credit hours, but on a ‘Graduation Certificate' (which we have to submit at Case Processing Centre, Vegreville, Alberta) contain all information like ‘Total Credit Hours', Grades, Courses and all that.
I repeat I am only making a guess. I have only one proved fact and nothing else.