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Table 2 Standardized Response Means of the outcome measures, and proportion of improved patients for the Postoperative Quality of Recovery Scale

From: Assessing functional recovery shortly after knee or hip arthroplasty: a comparison of the clinimetric properties of four tools

  Preoperative to postoperative day 1 Postoperative day 1 to day 2 Postoperative day 2 to week 2 Postoperative week 2 to week 6
  Hip Knee Hip Knee Hip Knee Hip Knee
Timed-Up-and-Go 1.03 1.17 0.49 0.69 0.85 1.09 1.24 1.02
Iowa Level of Assistance Scale 1.91 1.90 0.80 0.92 1.02 1.44 0.62 0.47
Readiness for Hospital Discharge Scale
 global - - 0.66 0.45 - - - -
 personal status - - 0.85 0.68 - - - -
 knowledge - - 0.45 0.20 - - - -
 coping - - 0.16 0.26 - - - -
 support - - 0.09 0.06 - - - -
Postoperative Quality of Recovery Scale (% improved)
 Pain - - 16.0% 20.0% 23.4% 26.5% 10.4% 11.8%
 Emotion - - 8.0% 14.0% 12.8% 8.2% 6.3% 13.7%
 Function - - 12.2% 12.8% 31.9% 44.7% 41.3% 31.4%
 Cognition - - 16.3% 2.0% 16.7% 22.4% 12.5% 3.9%