Return to sport after lower limb arthroplasty - why not for all?

Table 1 Patient demographics

	THR	TKR	Total
Number of patients	40	24	64
Mean age (SD; range) in years	53.1 (8.4; 33-64)	60 (2.5; 54-64)	55.7 (7.5; 33-64)
Sex M:F	19:21	10:14	29:35
Mean time since operation (SD; range) in years	3.3 (1.1; 2.5-5)	3 (0.9; 2-4.5)	3.1 (0.9; 2-5)

THR: Total hip replacement; TKR: Total knee replacement.

Table 2 Patient outcome scores

	THR	TKR	Total
OHS/OKS
Mean Baseline score (SD; range)	21.25 (4.8; 13-35)	25.08 (5.8; 14-36)	-
Mean 2-yr post-TJR score (SD; range)	40.68 (3.1; 35-47)	41.67 (4; 33-47)	-
SF-12
Mean Baseline Physical score (SD; range)	35.9 (6.3; 22.2-49.8)	37 (9.7; 15.4-51.9)	36.29 (7.7; 15.4-51.9)
Mean 2-yr Physical post-TJR score (SD; range)	46.1 (6.4; 29.2-60.3)	46.4 (9.5; 29.3-61.8)	46.19 (7.6; 29.2-61.8)
Mean Baseline Mental score (SD; range)	48.4 (7.9; 24.1-68.9)	54.3 (8.3; 34.1-68.7)	50.52 (8.5; 24.1-68.9)
Mean 2-yr Mental post-TJR score (SD; range)	55.2 (6.7; 33.4-69)	57.7 (7.9; 37.3-69.3)	54.16 (7.5; 33.4-69.3)
UCLA scores
Mean Baseline score (SD; range)	7.78 (1.2; 6-10)	7.5 (1.1; 6-10)	7.67 (1.2; 6-10)
Mean 2-yr post-TJR score (SD; range)	7.93 (1.2; 6-10)	7.29 (0.9; 6-9)	7.69 (1; 6-10)

THR: Total hip replacement; TKR: Total knee replacement; TJR: Total joint replacement; UCLA: University of California, Los Angeles; OHS/OKS: Oxford Knee and Hip Scores.

Table 3 Participation in activities before and after total joint replacement

Activity	Pre-TJR frequency (patients)	Post-TJR frequency (patients)
Cycling	12	4
Golf	10	11
Running	9	9
Walking	8	6
Dance	6	3
Tennis	5	8
Football	2	2
Gym	2	9
Sky diving	2	0
Yoga	2	2
Judo	1	0
Pilates	1	3
Table tennis	1	0
Rugby	1	0
Scuba diving	1	1
Swimming	1	1
Badminton	0	1
Triathlon	0	2

TJR: Total joint replacement.