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Table 4 Spearman’s rank correlation coefficients (95% CIs) for the change (pre- and post-operative) scores

From: Assessing responsiveness of the EQ-5D-3L, the Oxford Hip Score, and the Oxford Knee Score in the NHS patient-reported outcome measures

  Total Transition levela
Much better A little better About the same A little worse Much worse
Hip N 181,424 155,899 15,565 3891 2382 1633
OHS 0.32 (0.31, 0.32) 0.33 (0.32, 0.33) 0.55 (0.54, 0.56) 0.57 (0.55, 0.59) 0.57 (0.54, 0.60) 0.50 (0.46, 0.53)
N 171,423 147,638 14,577 3625 2216 1493
EQ-5D-3L 0.32 (0.31, 0.32) 0.31 (0.31, 0.32) 0.47 (0.46, 0.48) 0.50 (0.48, 0.53) 0.47 (0.43, 0.50) 0.45 (0.40, 0.49)
Knee N 191,379 138,407 31,650 8985 7029 4610
OKS 0.37 (0.37, 0.37) 0.36 (0.36, 0.37) 0.56 (0.55, 0.57) 0.61 (0.60, 0.63) 0.62 (0.61, 0.64) 0.57 (0.55, 0.58)
N 180,546 130,838 29,888 8434 6569 4243
EQ-5D-3L 0.37 (0.37, 0.37) 0.34 (0.34, 0.35) 0.48 (0.47, 0.49) 0.51 (0.49, 0.52) 0.49 (0.47, 0.51) 0.46 (0.44, 0.49)
  1. aBased on the question, Table 1