Table VI.
Website sponsor analysis.
| Category/search term | Lawyer, n (%) | Non-profit, n (%) | Government/ education, n (%) | Commercial, n (%) | Orthopaedic/ professional organizations, n (%) | Other health professionals, n (%) | Other, n (%) | p-value* |
|---|---|---|---|---|---|---|---|---|
| Condition | ||||||||
| Arthritis | 0 (0) | 17 (11) | 40 (27) | 53 (35) | 4 (3) | 6 (4) | 30 (20) | |
| Osteoarthritis | 0 (0) | 17 (11) | 56 (37) | 47 (31) | 14 (9) | 13 (9) | 3 (20) | |
| End-stage arthritis | 0 (0) | 12 (8) | 67 (45) | 36 (24) | 11 (7) | 5 (5) | 19 (13) | |
| Bone on bone arthritis | 1 (1) | 17 (11) | 41 (27) | 42 (28) | 18 (8) | 11 (7) | 19 (13) | |
| Total | N/A | N/A | N/A | N/A | N/A | N/A | N/A | < 0.001 |
| Arthroplasty | ||||||||
| Total joint arthroplasty | 0 (0) | 10 (7) | 85 (57) | 18 (12) | 20 (13) | 2 (1) | 15 (10) | |
| Total joint replacement | 0 (0) | 11 (7) | 87 (58) | 12 (8) | 33 (22) | 1 (1) | 6 (4) | |
| Total | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.124 |
| Hip | ||||||||
| Total hip arthroplasty | 0 (0) | 7 (5) | 80 (53) | 19 (13) | 31 (21) | 3 (2) | 10 (7) | |
| Total hip replacement | 0 (0) | 10 (7) | 33 (22) | 10 (7) | 84 (56) | 2 (1) | 10 (7) | |
| Total | N/A | N/A | N/A | N/A | N/A | N/A | N/A | < 0.001 |
| Knee | ||||||||
| Total knee arthroplasty | 0 (0) | 6 (4) | 70 (47) | 22 (15) | 28 (19) | 3 (2) | 20 (13) | |
| Total knee replacement | 0 (0) | 7 (5) | 34 (23) | 17 (11) | 77 (51) | 7 (5) | 8 (5) | |
| Total | N/A | N/A | N/A | N/A | N/A | N/A | N/A | < 0.001 |
| Approach | ||||||||
| Anterior hip replacement | 0 (0) | 3 (2) | 57 (38) | 10 (7) | 70 (47) | 2 (1) | 8 (5) | |
| Posterior hip replacement | 0 (0) | 3 (2) | 54 (36) | 25 (17) | 60 (40) | 0 (0) | 8 (5) | |
| Total | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.098 |
| Unicompartmentalknee | ||||||||
| Half knee replacement | 0 (0) | 7 (5) | 46 (31) | 30 (20) | 60 (40) | 4 (3) | 3 (2) | |
| Unicompartmental knee replacement | 0 (0) | 4 (3) | 76 (42) | 25 (17) | 39 (26) | 3 (2) | 3 (2) | |
| Mako knee | 0 (0) | 1 (1) | 61 (41) | 21(14) | 58 (39) | 0 (0) | 9 (6) | |
| Oxford knee replacement | 0 (0) | 9 (6) | 68 (45) | 24 (16) | 35 (23) | 1 (1) | 13 (9) | |
| Total | N/A | N/A | N/A | N/A | N/A | N/A | N/A | < 0.001 |
| Recovery | ||||||||
| Total hip replacement recovery time | 0 (0) | 10 (7) | 57 (38) | 33 (22) | 39 (26) | 6 (4) | 5 (3) | |
| Total knee replacement recovery time | 0 (0) | 13 (9) | 53 (35) | 38 (25) | 30 (20) | 12 (8) | 4 (3) | |
| Total | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.525 |
| Mean (%) | 1 (1) | 164 (6) | 1,065 (39) | 482 (18) | 711 (26) | 81 (3) | 193 (7) | < 0.001 |
N/A, not applicable.
*
Pearson chi-squared test, where < 0.05 indicates significant difference in number of website sponsors.