PPS case mix methodology.
D017028:Caregivers / Q000523:psychology*; D003863:Depression / Q000175:diagnosis*; D003953:Diagnosis-Related Groups; D006699:Home Care Services / Q000191:economics*; D006801:Humans; D009730:Nursing Assessment; D011445:Prospective Payment System; D012648:Self Care / Q000523:psychology*; D014481:United States