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Table 2 Outcome in assessed 19 and 28-year-olds compared with outcome in all survivors at age 28

From: Changes in quality of life into adulthood after very preterm birth and/or very low birth weight in the Netherlands

Questionnaire   Assessed outcome n=314 Mean (sd) MI #Outcome n=957 Mean (sd)
Health Utilies Index 3 (Multi Attribute Utility) 19y 0.89 (0.16) 0.83 (0.22)
28y 0.88 (0.16) 0.85 (0.20)
Change 28y-19y - 0.01 (0.15) 0.02 (0.17)*
London Handicap Scale (Utility) 19y 96.5 (8.3) 93.9 (12.4)
28y 95.9 (8.0) 94.6 (9.8)
Change 28y-19y - 0.57 (7.5) 0.71 (9.0)
WHOQoL-BREF$ (Recoded into score 0–100) Psychological 73.9 (14.7)* 74.4 (13.5)*
  Social 79.0 (17.3) 78.2 (16.9)
  Relationships 85.6 (12.9) 85.0 (12.8)
  Environment 85.8 (14.1) 85.8 (13.1)
  Physical health   
  1. * p < 0.05.
  2. # MI: After multiple imputation.
  3. $ Mean WHOQoL scores and standard deviations at age 28.