| Total | 7-days | 30-days | 180-days | 1-year | ||||
---|---|---|---|---|---|---|---|---|---|
N | % | P | % | P | % | P | % | P | |
All | 25,862 | 0.6 | Â | 3.1 | Â | 11.2 | Â | 17.3 | Â |
Fixation method |  |  | 0.001 |  | < 0.001 |  | 0.003 |  | 0.005 |
 Cemented | 12,364 | 0.7 |  | 3.5 |  | 11.8 |  | 18.0 |  |
 Uncemented | 13,498 | 0.4 |  | 2.7 |  | 10.7 |  | 16.7 |  |
Gender |  |  | 0.013 |  | < 0.001 |  | < 0.001 |  | < 0.001 |
 Male | 9,123 | 0.7 |  | 4.2 |  | 15.2 |  | 23.3 |  |
 Female | 16,739 | 0.5 |  | 2.5 |  | 9.1 |  | 14.1 |  |
Age Group |  |  | 0.002 |  | < 0.001 |  | < 0.001 |  | < 0.001 |
 80–84 years | 12,284 | 0.4 |  | 2.2 |  | 8.8 |  | 14.2 |  |
 85–89 years | 8,950 | 0.7 |  | 3.3 |  | 11.9 |  | 18.1 |  |
  ≥ 90 years | 4,628 | 0.8 |  | 4.9 |  | 16.2 |  | 24.1 |  |
Insurance status | Â | Â | 0.468 | Â | 0.054 | Â | 0.220 | Â | 0.066 |
  ≥ US $840 | 14,509 | 0.6 |  | 3.3 |  | 11.4 |  | 17.7 |  |
  < US $840 | 11,353 | 0.5 |  | 2.9 |  | 10.9 |  | 16.8 |  |
CCI score |  |  | 0.229 |  | < 0.001 |  | < 0.001 |  | < 0.001 |
 CCI = 0 | 5,557 | 0.5 |  | 2.2 |  | 12.2 |  | 18.7 |  |
 CCI ≥ 1 | 20,305 | 0.6 |  | 3.3 |  | 15.2 |  | 23.3 |  |
Type of head | Â | Â | 0.131 | Â | 0.417 | Â | 0.365 | Â | 0.033 |
 UHA | 11,265 | 0.7 |  | 3.2 |  | 11.4 |  | 17.9 |  |
 BHA | 14,597 | 0.5 |  | 3.0 |  | 11.1 |  | 16.9 |  |
Hospital type | Â | Â | 0.842 | Â | 0.584 | Â | 0.328 | Â | 0.022 |
 Public | 9,226 | 0.6 |  | 3.2 |  | 11.5 |  | 18.0 |  |
 Private | 16,636 | 0.6 |  | 3.1 |  | 11.1 |  | 16.9 |  |
Hospital level | Â | Â | 0.964 | Â | 0.213 | Â | 0.003 | Â | 0.004 |
 Medical centre | 7,679 | 0.6 |  | 2.9 |  | 10.3 |  | 16.3 |  |
 Non-medical centre | 18,183 | 0.6 |  | 3.2 |  | 11.6 |  | 17.7 |  |
Hospital volume |  |  | 0.428 |  | 0.184 |  | < 0.001 |  | < 0.001 |
 High (> 120) | 10,367 | 0.5 |  | 2.9 |  | 10.2 |  | 16.0 |  |
 Low (≤120) | 15,495 | 0.6 |  | 3.2 |  | 11.9 |  | 18.2 |  |
Surgeon volume |  |  | 0.360 |  | 0.015 |  | < 0.001 |  | < 0.001 |
 High (> 21) | 9,258 | 0.5 |  | 2.7 |  | 10.2 |  | 15.6 |  |
 Low (≤21) | 16,604 | 0.6 |  | 3.3 |  | 11.8 |  | 18.3 |  |