Skip to main content

Table 1 Characteristics of the study population (n = 2208)

From: Impact of rehabilitation on mortality and readmissions after surgery for hip fracture

  Hospital rehabilitation (N = 519) IRF rehabilitation (N = 907) No rehabilitation (N = 782) p-value Significant post-hoc comparisons
Age, mean (SD) 83.8 (7.3) 83.7 (7.1) 84.5 (7.8) 0.055*  
N. comorbidities, mean (SD) 3.4 (2.0) 2.1 (2.1) 2.2 (2.0) < 0.001* hosp>IRF, no rehab
Length of stay, days (SD) 35.2 (18.2) 34.2 (13.6) 11.5 (7.2) < 0.001* hosp, IRF > no rehab
Sex, male, n (%) 134 (25.8) 211 (23.3) 186 (23.8) 0.542  
Myocardial infarction, n (%) 46 (7.1) 119 (5.1) 36 (4.6) 0.122  
Heart failure, n (%) 151 (29.1) 160 (17.6) 132 (16.9) < 0.001 hosp>IRF, no rehab
Peripheral vascular dis., n (%) 185 (36.6) 216 (23.8) 148 (18.9) < 0.001 hosp>IRF > no rehab
Cerebrovascular dis., n (%) 102 (19.7) 79 (8.7) 127 (16.2) < 0.001 hosp, no rehab>IRF
Dementia, n (%) 112 (21.6) 113 (12.5) 170 (21.7) < 0.001 hosp, no rehab>IRF
Hypertension, n (%) 28 (5.4) 74 (8.2) 50 (6.4) 0.111  
Neurological disease, n (%) 219 (42.2) 51 (5.6) 76 (9.7) < 0.001 hosp>no rehab>IRF
Renal disease, n (%) 76 (14.6) 72 (7.9) 69 (8.8) < 0.001 hosp>IRF, no rehab
Domiciliary care, n (%) 151 (29.1) 226 (24.9) 253 (32.3) 0.003 no rehab>IRF
Intervention > 2 days, n (%) 133 (25.6) 226 (24.9) 155 (19.8) 0.017 hosp, IRF > no rehab
Hip fracture reduction, n (%) 272 (52.4) 482 (52.1) 461 (58.9) 0.022  
Polytrauma, n (%) 34 (6.6) 59 (6.5) 53 (6.8) 0.973  
Open fracture, n (%) 6 (1.2) 70 (7.7) 45 (5.8) < 0.001 No rehab, IRF > hosp
Died, n (%) 60 (11.6) 140 (15.4) 163 (20.8) < 0.001 No rehab>hosp, IRF
Hospital readmission within 6 months, all causes, n(%)a 165 (32.8) 211 (24.3) 185 (25.1) 0.001 hosp>IRF, no rehab
Hospital readmission within 6 months, orthopedic, n(%)a 16 (3.2) 24 (2.8) 30 (4.1) 0.337  
  1. Note: χ2 test was used, except where indicated. *Kruskal-Wallis test
  2. aIn the 2107 patients alive at the end of the episode of care