STATUS_CODE IN WF_DEFERRED

If a WF subscription's phase is less than 100 then the subscription will run synchronously. A value > 100 means it is asynchronous and it will be run by the WF_DEFERRED agent listener.

WF_DEFERRED.State values and meaning
                   0 = Ready
                   1 = Delayed
                   2 = Retained/Completed.
                   3 = Exception