Table 1.
Patient characteristics of the groups
| CON | CAOS | P-value | |
|---|---|---|---|
| Number of patients |
95 |
103 |
|
| Mean age (min-max)(SD) |
70.1 (49.0-89.5)(9.1) |
68.7 (42.6-88.5)(9.2) |
0.87 |
| Sex (% female) |
66.3% |
50.5% |
0.02 |
| Pre-operative EQ-5D index score (SD) |
49.3 (19.4) |
45.1 (22.3) |
0.21 |
| ASA score |
|
|
|
| 1 |
10 |
9 |
<0.01 |
| 2 |
53 |
83 |
|
| 3 |
19 |
9 |
|
| Unknown |
13 |
2 |
|
| Type of prosthesis |
|
|
|
| Profix cemented |
58 |
26 |
<0.01 |
| Profix uncemented |
4 |
63 |
|
| Profix reversed hybrid |
0 |
1 |
|
| Profix hybrid |
33 |
13 |
|
| Operation time (min-max)(SD) |
101.2 (57–250)(23.6) |
90 (53–140)(17.4) |
<0.01 |
| Charnley category |
|
|
|
| A |
19 |
33 |
0.57 |
| B |
10 |
16 |
|
| C |
35 |
42 |
|
| Unknown |
31 |
12 |
|
| Diagnosis |
|
|
|
| Osteoarthritis |
90 |
98 |
0.98 |
| Rheumatoid arthritis |
1 |
1 |
|
| Other | 4 | 4 |