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Table 1 Averages with standard deviations of the outcome measures, and percentage of patients recovered according to the PQRS

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

  Preoperative Postoperative
   1-day 2-day 2-week 6-week
  Hip Knee Hip Knee Hip Knee Hip Knee Hip Knee
Timed-Up-and-Go (sec.) 10.8 (4.6) 11.9 (4.3) 60.7 (49.9) 79.3 (57.9) 40.6 (34.1) 43.2 (26.9) 12.4 (4.3) 13.9 (4.1) 9.4 (3.0) 10.8 (2.6)*
Iowa Level of Assistance Scale (/50) 0.3 (1.0) 0.2 (1.0) 16.7 (9.1) 22.0 (11.6)* 11.1 (7.7) 14.1 (9.0) 3.1 (3.8) 1.0 (1.8) 0.9 (2.8) 0.2 (0.6)
Readiness for Hospital Discharge Scale
 global (/10) - - 7.2 (1.4) 6.7 (1.5) 7.9 (1.4) 7.1 (1.6)* - - - -
 personal status (/10) - - 5.5 (2.2) 4.8 (2.1) 6.9 (1.7) 5.9 (1.8)* - - - -
 knowledge (/10) - - 7.2 (1.8) 7.0 (2.0) 7.8 (1.8) 7.2 (2.1) - - - -
 coping (/10) - - 7.6 (2.2) 7.0 (2.2) 7.8 (2.1) 7.3 (2.1) - - - -
 support (/10) - - 9.3 (1.1) 8.4 (1.9)* 9.4 (1.0) 8.4 (2.1)* - - - -
Postoperative quality of recovery Scale (% recovered)
 Pain - - 64.8% 47.2% 64.0% 51.0% 88.0% 67.3%* 94.2% 75.5%*
 Emotion - - 88.9% 83.0% 86.0% 86.3% 92.0% 78.8% 86.5% 81.1%
 Function - - 0% 3.8% 12.0% 16.3% 40.0% 57.7% 77.6% 86.8%
 Cognition - - 77.4% 84.9% 74.0% 70.6% 80.4% 90.4% 86.3% 81.1%
  1. *: p < 0.05 between hip and knee patients