Table 1.
Baseline characteristics among primary hip fracture patients within the Clinical Practice Research Datalink during 1999-2013, UK
| Characteristic | Number | % | |
|---|---|---|---|
| Calendar period of hip fracture | 1999-2004 | 5,738 | 44 |
| 2005-2013 | 7,331 | 56 | |
| Gender | Female | 9,995 | 76 |
| Male | 3,074 | 24 | |
| Age at hip fracture | 60-69 years | 1,199 | 9 |
| 70-79 years | 3,291 | 25 | |
| 80-89 years | 6,095 | 47 | |
| ≥90 years | 2,484 | 19 | |
| Body Mass Index (kg/m2) | <18.5 | 864 | 7 |
| 18.5-24.9 | 5,352 | 41 | |
| 25.0-29.9 | 3,169 | 24 | |
| 30-34.9 | 944 | 7 | |
| ≥35 | 236 | 2 | |
| Missing | 2,504 | 19 | |
| Index of Multiple Deprivation (quintile of deprivation) | Affluent | 1,694 | 13 |
| 2 | 1,812 | 14 | |
| 3 | 1,491 | 11 | |
| 4 | 1,550 | 12 | |
| Deprived | 1,129 | 9 | |
| Missing | 5,393 | 41 | |
| Smoking | No | 7,343 | 56 |
| Yes | 1,697 | 13 | |
| Ex | 3,021 | 23 | |
| Missing | 1,008 | 8 | |
| Drinking | Yes | 7,261 | 56 |
| No | 3,391 | 26 | |
| Ex | 349 | 3 | |
| Missing | 2,068 | 16 | |
| Charlson co-morbidity index | 0 | 6,737 | 52 |
| 1 | 2,250 | 17 | |
| 2 | 1,979 | 15 | |
| ≥3 | 2,103 | 16 | |
| Region | East Midlands | 783 | 6 |
| East of England | 1,363 | 10 | |
| London | 977 | 7 | |
| North East | 338 | 3 | |
| North West | 1,921 | 15 | |
| Northern Ireland | 678 | 5 | |
| Scotland | 681 | 5 | |
| South Central | 1,031 | 8 | |
| South East Coast | 1,277 | 10 | |
| South West | 1,323 | 10 | |
| Wales | 922 | 7 | |
| West Midlands | 1,104 | 8 | |
| Yorkshire & the Humber | 671 | 5 | |
| Co-morbid conditions | Asthma | 1,796 | 14 |
| Malabsorption Syndromes | 21 | 0 | |
| Inflammatory Bowel Disease | 189 | 1 | |
| Hypertension | 6,568 | 50 | |
| Hyperlipidaemia | 1,884 | 14 | |
| Ischemic heart disease | 2,816 | 22 | |
| Cerebro-Vascular Disease | 1,453 | 11 | |
| Chronic Obstructive Pulmonary Disorder | 1,214 | 9 | |
| Chronic Renal Failure | 712 | 5 | |
| Cancer | 2,674 | 20 | |
| Previous fractures | Previous Spinal fracture | 178 | 1 |
| Previous Wrist fracture | 1,270 | 10 | |
| Previous Humerus fracture | 67 | 1 | |
| Previous Pelvis fracture | 187 | 1 | |
| Previous Rib fracture | 321 | 2 | |
| Previous Other non-hip fracture | 699 | 5 | |
| Previous joint replacement | 1,143 | 9 | |
| Mortality | 0-4 months | 1,854 | 14 |
| 5-12 months | 1,061 | 8 | |