Patients at Parkland Memorial Hospital are still complaining about long waits, poor nursing care and the bad attitude of some workers. But there is reason to hope the situation is improving. Overall, the number of patient grievances and complaints at the county hospital has declined in recent months. And a serious effort is being made to resolve such patient problems within seven days, officials say. "The patients seem to be more satisfied with the new process," Regina Burks, Parkland's director of patient relations, told the hospital board at its monthly meeting Tuesday.