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Table 4 Completeness and proportion with best and worst health state by instrument

From: Health-related quality of life in patients with severe COPD hospitalized for exacerbations - comparing EQ-5D, SF-12 and SGRQ

  Missing utility/total score Worst health state Best health state
Instrument Adm. Dis. Total Adm. Dis. Adm. Dis.
EQ-5D 12% 3% 8% - - 2% 13%
SF-12 30% 32% 31% 2% - - -
SGRQ - total 6% 8% 7% - - - -
SGRQ - impact     - - - -
SGRQ - symptoms     5% - - -
SGRQ - activity     11% 11% - -
  1. Adm.: Admission; Dis.: Discharge.