Table 1 Demographic data
Variables | Prevalence or average |
|---|---|
Age (years) | 59.3 ± 10.8 |
Male | 45.7% (195/427) |
Married | 94.1% (402/427) |
BMI (kg/m2) | 23.4 ± 3.8 |
Current/former smoker | 39.6% (169/427) |
Comorbidities | |
 Diabetes mellitus | 17.3% (74/427) |
 Hypertension | 36.3% (155/427) |
 Stroke | 6.8% (29/427) |
 Heart dysfunction | 8.7% (37/427) |
 Othersa | 17.1% (73/427) |
Diagnosis | |
 Femoral neck fracture | 22.7% (97/427) |
 Femoral head necrosis | 49.6% (212/427) |
 Hip osteoarthritis | 17.8% (76/427) |
 Developmental dysplasia of the hip | 9.8% (42/427) |
History of anti-osteoporosis therapy in the last year | 20.4% (87/427) |
Preoperative systematic BMD | |
 Spine (g/cm2) | 0.881 ± 0.150 |
 Hip (g/cm2) | 0.828 ± 0.181 |
Serum ALP (U/L) | 74.9 ± 25.6 |
Serum calcium (mmol/L) | 2.31 ± 0.12 |
Preoperative Harris score of the involved hip | 41.7 ± 19.9 |
Femoral component design | |
 Straight stem | 65.1% (278/427) |
 Anatomic stem | 34.9% (149/427) |