Table 1 Demographic and diagnosis comparison between the groups with or without cysts.
From: Is there added risk in resurfacing a femoral head with cysts?
Study Group -- with Cyst | Control Group -- Without Cyst | P-Value | |
|---|---|---|---|
Surgical Date | 11/2005 to 1/2009 | 8/2005 to 12/2008 | -- |
Number of hips | 117 | 117 | -- |
Number of patients | 115 | 115 | -- |
Age at surgery (years) | 53 ± 6 (range: 35 to 69) | 53 ± 5 (range: 34 to 65) | 0.66 |
Weight (lbs) | 189 ± 40 (range: 110 to 290) | 186 ± 37 (range: 110 to 275) | 0.5 |
Body mass index | 27 ± 4 (range: 19 to 39) | 27 ± 4 (range: 20 to 39) | 0.59 |
T-score (Bone mineral density)* | 0 ± 1 (range: -2.5 to 3.3) | 0 ± 1 (range: -2.4 to 3.5) | 0.96 |
Gender | 1 | ||
Women | 33 (29%) | 34 (30%) | -- |
Men | 82 (71%) | 81 (70%) | -- |
Side | 1 | ||
Left | 53 (45%) | 53 (45%) | -- |
Right | 64 (55%) | 64 (55%) | -- |
Diagnosis | 0.7 | ||
Osteoarthritis | 95 (81%) | 95 (81%) | -- |
Dysplasia | 20 (17%) | 21 (18%) | -- |
Post Trauma | 1 (1%) | 1 (1%) | -- |
Others | 1 (1%) | 0 (3%) | -- |