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Table 2 Ceiling and floor effect for the EQ-5D-Y-3L and EQ-5D-Y-5L

From: Measurement properties and responsiveness of the EQ-5D-Y-5L compared to the EQ-5D-Y-3L in children and adolescents receiving acute orthopaedic care

  EQ-5D-Y-3L EQ-5D-Y-5L Chi-square (p value) Absolute reduction (%) Relative reduction (%)
n % n %
Ceiling effect        
11111 5 6 4 5 0.03 (p = 1.00) 1 20
MOB 14 17 9 11 1.26 (p = 0.37) 6 36
LAM 51 61 49 59 0.10 (p = 0.88) 2 4
UA 12 14 12 14 0.00 (p = 1.00) 0 0
P/D 41 49 36 43 0.61 (p = 0.54) 6 12
WSU 49 59 46 55 0.22 (p = 0.75) 4 6
Floor effect        
55555/33333 2 2 1 1 0.05 (p = 1.00) 1 50
MOB 48 58 50 60 0.10 (p = 0.88) − 2 − 4
LAM 11 13 11 13 0.00 (p = 1.00) 0 0
UA 48 58 48 58 0.00 (p = 1.00) 0 0
P/D 8 10 3 4 2.43 (p = 0.21) 6 63
WSU 7 8 2 2 0.13 (p = 0.17) 6 71
  1. N = 83, MOB, Mobility; LAM, Looking After Myself; UA, doing Usual Activities; P/D, having Pain or Discomfort; WSU, feeling Worried, Sad or Unhappy