From: Sex differences in the morphological failure patterns following hip resurfacing arthroplasty
 |  | entire study cohort | entire study cohort n = 204 | valid data on sex n = 173 | ||
---|---|---|---|---|---|---|
 |  |  | unknown sex n = 31 | valid data on sex n = 173 | men n = 88 | women n = 85 |
age (median age [years], IQR) | 56, 50 to 60 | 51, 48 to 60 | 56, 50 to 60 | 56, 51 to 60 | 56, 49 to 60 | |
 |  |  | P = 0.531 | P = 0.584 | ||
clinical diagnosis | osteoarthritis | 107 | 5 | 102 | 54 | 48 |
 | avascular necrosis of femoral head | 10 | 0 | 10 | 8 | 2 |
 | rheumatoid arthritis | 7 | 0 | 7 | 3 | 4 |
 | arthritis secondary to trauma | 7 | 0 | 7 | 3 | 4 |
 | developmental hip dysplasia | 17 | 1 | 16 | 6 | 10 |
 |  |  | P = 0.867 | P = 0.288 | ||
THRA design | ASRâ„¢ | 143 | 18 | 125 | 66 | 59 |
 | DUROM® | 16 | 1 | 15 | 8 | 7 |
 | Cormet™ | 20 | 6 | 14 | 6 | 8 |
 | BHR™ | 14 | 4 | 10 | 4 | 6 |
 | ReCAP® | 11 | 2 | 9 | 4 | 5 |
 |  |  | P = 0.127 | P = 0.877 | ||
duration of implantation (median in situ time [days], IQR) | 147, 51 to 399 | 127, 25 to 570 | 147, 55 to 384 | 124, 54 to 327 | 182, 55 to 445 | |
 |  |  | P = 0.724 | P = 0.373 | ||
size of the femoral component (median diameter [mm], IQR) | 46, 44 to 50 | 46, 44 to 50 | 46, 42 to 48 | 50, 48 to 52 | 44, 42 to 46 | |
 |  |  | P = 0.175 | P = 0.000 |