Copyright
©The Author(s) 2024.
World J Orthop. Jul 18, 2024; 15(7): 608-617
Published online Jul 18, 2024. doi: 10.5312/wjo.v15.i7.608
Published online Jul 18, 2024. doi: 10.5312/wjo.v15.i7.608
Characteristics | Respondents, n = 2063 | Nonrespondents, n = 367 | P value |
Patient characteristics | |||
Age in year, median (IQR) | 65.80 (7.19) | 65.13 (8.39) | 0.222 |
BMI in kg/m2, median (IQR) | 27.77 (3.44) | 27.84 (3.31) | 0.516 |
Sex, male | 973 (47.2) | 190 (51.8) | 0.112 |
ASA, I | 799 (38.7) | 143 (39.0) | 0.954 |
Smoking status, yes | 156 (7.6) | 42 (11.4) | 0.017a |
Alcohol consumption, yes | 1499 (72.7) | 244 (66.5) | 0.020a |
Previous knee surgery, yes | 986 (47.8) | 173 (47.1) | 0.821 |
Charnley classification | 0.113 | ||
A Unilateral knee arthritis | 972 (47.1) | 160 (43.6) | |
B1 Unilateral knee TKA | 482 (23.4) | 78 (21.3) | |
B2 Bilateral TKA | 412 (20.0) | 94 (25.6) | |
C more joints affected | 197 (9.5) | 34 (9.3) | |
Surgical characteristics | |||
Diagnosis, osteoarthritis | 2021 (98.0) | 355 (96.7) | 0.175 |
Anesthesia technique, spinal | 2043 (99.0) | 362 (98.6) | 0.763 |
Operative duration in min, median (IQR) | 40.77 (9.51) | 41.04 (9.83) | 0.551 |
Complication, yes | 62 (3.0) | 18 (4.9) | 0.078 |
Preoperative PROs | |||
NRS pain score at rest, median (IQR) | 4.92 (2.38) | 5.23 (2.43) | 0.021a |
NRS pain score during activity, median (IQR) | 7.18 (1.88) | 7.18 (2.00) | 0.558 |
KOOS-PS score, median (IQR) | 47.23 (12.74) | 48.98 (14.19) | 0.084 |
EQVAS score, median (IQR) | 72.91 (18.65) | 72.96 (19.03) | 0.906 |
EQ-5D descriptive system score, median (IQR) | 0.590 (0.250) | 0.551 (0.273) | 0.013a |
OKS, median (IQR) | 24.92 (7.16) | 23.83 (7.64) | 0.042a |
Activity | 3 mo | 6 mo | Within 6 mo | |||
Return to activity, n (%)1 | Time to return in days, median (IQR) | Return to activity, n (%)1 | Time to return in days, median (IQR) | Return to activity, n (%)1 | Time to return in days, median (IQR) | |
Daily activities | ||||||
Night rest | 1435 (72.6) | 26.0 (36.0) | - | - | 1435 (72.6) | 26.0 (36.0) |
Walking without aids | 1859 (94.0) | 32.0 (23.5) | - | - | 1859 (94.0) | 32.0 (23.5) |
Stair climbing | 1655 (83.7) | 42.0 (26.0) | - | - | 1655 (83.7) | 42.0 (26.0) |
Grocery shopping | 1867 (94.4) | 37.0 (23.0) | - | - | 1867 (94.4) | 37.0 (23.0) |
Domestic work | 1700 (86.0) | 42.0 (25.0) | - | - | 1700 (86.0) | 42.0 (25.0) |
Putting on shoes/socks | 1940 (98.1) | 20.0 (27.0) | - | - | 1940 (98.1) | 20.0 (27.0) |
Kneeling | 403 (20.4) | 57.0 (25.0) | 439 (30.0) | 96.0 (50.3) | 551 (27.7) | 74.0 (56.5) |
Driving a car | 1725 (91.7) | 42.0 (20.0) | - | - | 1725 (91.7) | 42.0 (20.0) |
Outdoor cycling | 1518 (80.8) | 43.0 (24.0) | - | - | 1518 (80.8) | 43.0 (24.0) |
Work | ||||||
Low-impact work | 691 (86.6) | 33.0 (29.0) | - | - | 691 (86.6) | 33.0 (29.0) |
Medium-impact work | 238 (34.9) | 57.0 (24.0) | 342 (72.3) | 97.0 (54.0) | 422 (62.1) | 78.0 (55.0) |
Sports | ||||||
Low-impact sports | 1588 (89.5) | 43.0 (24.0) | - | - | 1588 (89.5) | 43.0 (24.0) |
Medium-impact sports | 185 (21.7) | 57.0 (26.0) | 327 (63.0) | 98.0 (52.0) | 381 (48.4) | 89.5 (60.0) |
Swimming | 231 (34.9) | 51.0 (28.5) | 385 (81.6) | 90.8 (36.0) | 468 (68.6) | 80.0 (61.0) |
Activity | n | R2 | Predictive factors | OR (95%CI) | P value |
Daily activities | |||||
Night rest | 1901 | 0.029 | Sex | 0.734 (0.589-0.913) | 0.006b |
ASA | 1.217 (0.989-1.498) | 0.064 | |||
Previous surgery | 0.829 (0.670-1.025) | 0.083 | |||
Operative duration | 0.989 (0.978-1.000) | 0.047a | |||
NRS pain at rest | 0.912 (0.863-0.964) | 0.001b | |||
NRS pain during activity | 1.080 (1.003-1.163) | 0.042a | |||
OKS | 1.020 (1.002-1.038) | 0.030a | |||
Walking without aids | 1901 | 0.033 | Sex | 0.681 (0.456-1.016) | 0.06 |
Anesthesia technique | 4.456 (1.232-16.120) | 0.023a | |||
OKS | 1.054 (1.024-1.084) | < 0.001b | |||
Stair climbing | 1901 | 0.05 | BMI | 0.941 (0.908-0.975) | < 0.001b |
Sex | 0.499 (0.381-0.653) | < 0.001b | |||
Operative duration | 0.987 (0.974-1.000) | 0.053 | |||
OKS | 1.024 (1.006-1.043) | 0.010a | |||
Grocery shopping | 1901 | 0.051 | Age | 0.960 (0.933-0.989) | 0.007b |
BMI | 0.939 (0.886-0.996) | 0.037a | |||
EQ-5D descriptive system | 0.299 (0.106-0.846) | 0.023a | |||
OKS | 1.094 (1.052-1.137) | < 0.001b | |||
Domestic work | 1901 | 0.05 | Age | 0.958 (0.940-0.977) | < 0.001b |
BMI | 0.924 (0.889-0.961) | < 0.001b | |||
NRS pain during activity | 1.082 (0.995-1.178) | 0.067 | |||
OKS | 1.054 (1.031-1.078) | < 0.001b | |||
Putting on shoes/socks | 1901 | 0.067 | Sex | 2.794 (1.366-5.712) | 0.005b |
OKS | 1.106 (1.052-1.163) | < 0.001b | |||
Kneeling | 1910 | 0.1 | BMI | 0.946 (0.917-0.976) | < 0.001b |
Sex | 0.433 (0.349-0.538) | < 0.001b | |||
Alcohol consumption | 1.305 (1.015-1.681) | 0.039a | |||
KOOS-PS | 0.989 (0.978-1.001) | 0.083 | |||
OKS | 1.022 (1.000-1.044) | 0.048a | |||
Driving a car | 1811 | 0.127 | Age | 0.966 (0.941-0.990) | 0.007b |
Sex | 0.217 (0.140-0.337) | < 0.001b | |||
ASA | 0.678 (0.461-0.998) | 0.049a | |||
Anesthesia technique | 3.815 (0.970-14.998) | 0.055 | |||
Charnley classification | 1.173 (0.988-1.391) | 0.068 | |||
OKS | 1.055 (1.028-1.083) | < 0.001b | |||
Outdoor cycling | 1806 | 0.123 | Age | 0.949 (0.931-0.967) | < 0.001b |
BMI | 0.937 (0.903-0.972) | < 0.001b | |||
Sex | 0.347 (0.266-0.452) | < 0.001b | |||
ASA | 0.763 (0.580-1.004) | 0.053 | |||
Charnley classification | 1.175 (1.041-1.326) | 0.009b | |||
OKS | 1.032 (1.013-1.051) | < 0.001b | |||
Work | |||||
Low-impact work | 765 | 0.026 | Age | 1.032 (0.999-1.065) | 0.054 |
EQ-5D descriptive system | 2.540 (1.150-5.612) | 0.021a | |||
Medium-impact work | 448 | 0.069 | Alcohol consumption | 1.497 (0.932-2.406) | 0.095 |
EQ VAS | 1.015 (1.004-1.027) | 0.007b | |||
OKS | 1.030 (0.997-1.065) | 0.075 | |||
Sports | |||||
Low-impact sports | 1705 | 0.022 | Age | 1.038 (1.015-1.062) | 0.001b |
ASA | 0.728 (0.519-1.021) | 0.066 | |||
EQ VAS | 1.009 (1.001-1.017) | 0.032a | |||
Medium-impact sports | 758 | 0.028 | Operative duration | 0.985 (0.971-1.000) | 0.044a |
EQ VAS | 1.007 (0.999-1.016) | 0.071 | |||
OKS | 1.026 (1.004-1.048) | 0.018a | |||
Swimming | 658 | 0.013 | EQ-5D descriptive system | 0.398 (0.164-0.961) | 0.041a |
OKS | 1.039 (1.007-1.071) | 0.016a |
- Citation: Peters MCWM, Pronk Y, Brinkman JM. Eight of ten patients return to daily activities, work, and sports after total knee arthroplasty. World J Orthop 2024; 15(7): 608-617
- URL: https://www.wjgnet.com/2218-5836/full/v15/i7/608.htm
- DOI: https://dx.doi.org/10.5312/wjo.v15.i7.608