Table 2.
Two-year patient-reported outcomes in hip and knee arthroplasty: FORCE-TJR registry.
| Baseline N | Mean (SD) | Two-year N | Mean (SD) | Two-year change N | Mean (SD) | |
|---|---|---|---|---|---|---|
| Total hip arthroplasty | ||||||
| SF-36 MCS | 3875 | 51.92 (11.87) | 3875 | 54.03 (9.18) | 3875 | 2.11 (10.63) |
| SF-36 PCS | 3874 | 32.12 (8.56) | 3874 | 46.41 (10.2) | 3874 | 14.29 (10.57) |
| HOOS Score | 3845 | 41.55 (16.71) | 3845 | 87.09 (14.55) | 3845 | 45.54 (19.02) |
| HOOS Pain Score | 3980 | 44.22 (17.93) | 3980 | 90.94 (14.28) | 3980 | 46.72 (20.45) |
| HOOS ADL Score | 3910 | 46.94 (18.91) | 3910 | 88.89 (15.22) | 3910 | 41.95 (20.61) |
| HOOS QoL Score | 3897 | 26.64 (18.35) | 3897 | 80.3 (20.85) | 3897 | 53.67 (24.73) |
| Total knee arthroplasty | ||||||
| SF-36 MCS | 5393 | 53.23 (11.45) | 5393 | 54.03 (9.42) | 5393 | 0.8 (10.17) |
| SF-36 PCS | 5393 | 33.67 (8.29) | 5393 | 44.2 (10.03) | 5393 | 10.53 (9.84) |
| KOOS Score | 5378 | 45.58 (15.18) | 5378 | 80.63 (16.03) | 5378 | 35.05 (18.25) |
| KOOS Pain Score | 5623 | 48.14 (17.19) | 5623 | 86.8 (16.35) | 5623 | 38.66 (20.41) |
| KOOS ADL Score | 5515 | 54.74 (18.1) | 5515 | 86.04 (16.25) | 5515 | 31.29 (19.69) |
| KOOS QoL Score | 5481 | 27.41 (17.87) | 5481 | 71.9 (23.57) | 5481 | 44.49 (25.81) |
ADL, activities of daily living; FORCE-TJR, The Functional Outcomes Research for Comparative Effectiveness in Total Joint Replacement and Quality Improvement Registry; HOOS, Hip disability and Osteoarthritis Outcome Score; KOOS, Knee disability and Osteoarthritis Outcome Score; MCS, Mental Component Score; PCS, Physical Component Score; QoL, quality of life; SF-36, Short-Form 36.