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Table 4 Average utility scores with weekly recall and daily recall (= QALD)

From: Usability of daily SF36 questionnaires to capture the QALD variation experienced after vaccination with AS03A-adjuvanted monovalent influenza A (H5N1) vaccine in a safety and tolerability study

 

Weekly recall utility score

Daily recall utility score (=QALD)

Accumulated QALD-loss from baseline

Pre dose 1

0.863

0.885

 

Dose 1-D0

 

0.874

0.011

Dose 1-D1

 

0.863

0.034

Dose 1-D2

 

0.877

0.042

Dose 1-D3

 

0.889

 

Dose 1-D4

 

0.894

 

Dose 1-D5

 

0.902

 

Dose 1-D6

0.879

0.902

 

Dose 2-D0

0.891

  

Dose 2-D6

0.874

  
  1. QALD Quality adjusted life day
  2. Dose 1 was administered on Day 0 and Dose 2 was administered on Day 21. D0 refers to the day on which vaccine was given; D6 refers to six days post dose