Table 1. General treatment and follow-up data per hospital and as an entire group.
| Hospital 1 | Hospital 2 | Total | |
|---|---|---|---|
| Number of cases | n=124 | n=126 | n=250 |
| Time period | Aug. 2004 - July 2005 | Aug. 2004 - Nov. 2005 | Aug. 2004 - Nov. 2005 |
| Dropped out | 8 | 25 | 33 |
| Could not be contacted | 6 | 7 | 13 |
| Follow-up examination | 110 | 94 | 204 |
| Follow-up examination time | 4.9 (2.9-6.5) years | 4.8 (3.2-7.1) years | 4.9 (2.9-7.1) years |
| Age | 61 (38-71) years | 59 (27-73) years | 60 (27-73) years |
| ♂/♀ | 42%/58% | 42%/58% | 42%/58% |
| BMI | 28 (16-47) | 27 (18-41) | 27 (16-47) |
| HHS pre-op | 47 (22-70) | 53 (22-86) | 50 (22-86) |
| HHS at last follow-up ex. | 98 (60-100) | 97 (46-100) | 97 (46-100) |
| VAS-10 pain pre-op | 8.0 (4.9-9.5) | 6.9 (1.6-9.4) | 7.4 (1.6-9.5) |
| VAS-10 pain follow-up ex. | 0.1 (0-6.6) | 0.35 (0-6) | 0.23 (0-6.6) |
| Primary coxarthrosis | 75% | 80% | 78% |
| Dysplasia coxarthrosis | 17% | 15% | 16% |
| Femoral head necrosis | 2% | 2% | 2% |
| Other sec. coxarthrosis | 4% | 3% | 4% |
| Other diagnoses | 2% | 0% | 1% |