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Table 8 Paired differences of EQ-5D-Y-3L and EQ-5D-Y-5L Level Sum Score (LSS) at baseline, 24 h and 48 h

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

  Baseline LSS 24 h LSS Paired differences
  Mean (SD) Mean (SD) Mean (SD) p Effect Size (95% CI)
All (n = 77)      
EQ-5D-Y-5L 13.64 (3.93) 12.36 (3.89) 1.27 (3.01)  < 0.001 0.43 (0.19, 0.66)
EQ-5D-Y-3L 9.55 (2.21) 8.77 (2.05) 0.78 (1.93)  < 0.001 0.40 (0.17, 0.64)
No change (n = 43)      
EQ-5D-Y-5L 13.56 (3.57) 12.79 (3.18) 0.67 (2.83) 0.126 0.24 (− 0.07, 0.54)
EQ-5D-Y-3L 9.42 (2.28) 8.84 (1.80) 0.58 (1.78) 0.038 0.33 (0.02, 0.63)
Improve (n = 22)      
EQ-5D-Y-5L 13.82 (4.54) 11.09 (4.42) 2.73 (2.91)  < 0.001 0.94 (0.42, 1.43)
EQ-5D-Y-3L 10.00 (1.98) 8.45 (2.37) 1.55 (2.30) 0.005 0.67 (0.20, 1.13)
Worsen (n = 12)      
EQ-5D-Y-5L 13.58 (4.32) 12.83 (4.59) 0.75 (3.11) 0.421 0.24 (− 0.34, 0.81)
EQ-5D-Y-3L 9.17 (2.44) 9.08 (2.39) 0.08 (1.31) 0.830 0.06 (− 0.50, 0.63)
  24 h LSS 48 h LSS  
All (n = 71)      
EQ-5D-Y-5L 12.38 (3.79) 11.51 (3.76) 0.87 (3.15) 0.022 0.28 (0.04, 0.51)
EQ-5D-Y-3L 8.82 (2.00) 8.51 (1.97) 0.31 (1.70) 0.128 0.18 (− 0.05, 0.41)
No change (n = 42)      
EQ-5D-Y-5L 13.62 (4.22) 12.55 (3.83,0.59) 1.07 (3.10) 0.031 0.35 (0.03,0.66)
EQ-5D-Y-3L 9.50 (2.17) 8.90 (1.97) 0.60 (1.98) 0.058 0.30 (− 0.01,0.61)
Improve (n = 20)      
EQ-5D-Y-5L 13.30 (4.18) 12.20 (3.74) 1.10 (2.92) 0.108 0.38 (− 0.08, 0.82)
EQ-5D-Y-3L 9.20 (2.44) 8.60 (2.06) 0.60 (1.76) 0.144 0.34 (− 0.11, 0.79)
Worsen (n = 9)      
EQ-5D-Y-5L 12.00 (4.12) 13.22 (4.49) − 1.22 (3.70) 0.351 − 0.33 (− 0.99,0.35)
EQ-5D-Y-3L 8.89 (2.09) 9.22 (1.92) − 0.33 (1.12) 0.397 − 0.30 (− 0.96,0.38)
  Baseline LSS 48 h LSS  
All (n = 71)      
EQ-5D-Y-5L 13.56 (4.01) 8.51 (1.97) 5.06 (3.45)  < 0.001 1.46 (1.12, 1.79)
EQ-5D-Y-3L 9.58 (2.19) 8.51 (1.97) 1.07 (2.08)  < 0.001 0.52 (0.26, 0.76)
No change (n = 32)      
EQ-5D-Y-5L 13.66 (3.21) 11.84 (3.49) 1.81 (3.41) 0.005 0.53 (0.16, 0.90)
EQ-5D-Y-3L 9.69 (1.75) 8.81 (1.96) 0.88 (2.11) 0.025 0.42 (0.05, 0.77)
Improve (n = 29)      
EQ-5D-Y-5L 13.69 (4.89) 11.34 (3.88) 2.35 (3.78) 0.002 0.62 (0.22,1.01)
EQ-5D-Y-3L 9.55 (2.47) 8.17 (1.98) 1.38 (2.13) 0.002 0.65 (0.24, 1.05)
Worsen (n = 10)      
EQ-5D-Y-5L 12.90 (3.81) 10.9 (4.53) 2.00 (3.68) 0.120 0.54 (− 0.13, 1.20)
EQ-5D-Y-3L 9.30 (2.75) 8.50 (2.01) 0.80 (1.93) 0.223 0.41 (− 0.24, 1.05)
  1. Calculated using EQ-5D-Y-3L/ EQ-5D-5L level sum scores (LSS), a higher score indicates a worse health state, LSS, level sum score; SD, standard deviation; CI, Confidence Interval