Complex sentence: The WRAG generally contains people with less severe disabilities than those in the Support Group, but the "clinical prognosis" has no bearing on whether the claimant is placed in the WRAG or the Support Group (except when the claimant is terminally ill).
Split into simpler sentences: The WRAG generally contains people with less severe disabilities than those in the Support Group. The clinical prognosis has no bearing on whether the claimant is placed in the WRAG or the Support Group (except when the claimant is terminally ill).