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Table 3 In-hospital mortality related factors.

From: Timing of surgery for hip fracture and in-hospital mortality: a retrospective population-based cohort study in the Spanish National Health System

   All patients Mortality related factors
   n n(*) % OR(**) 95%CI OR p
Age 60-69 years 3,584 37 1.03 1.00   
  70-79 years 15,840 400 2.53 2.48 1.78-3.54 < 0.001
  80-89 years 27,309 1,198 4.39 4.39 3.22-6.00 < 0.001
  90+ years 9,767 782 8.01 8.34 6.02-11.54 < 0.001
Sex Male 12,154 821 6.75 1.00   
  Female 44,328 1,596 3.60 0.52 0.48-0.56 < 0.001
Fracture Intracapsular 22,804 898 3.94 1.00   
  Trochanteric 29,999 1,280 4.27 1.09 0.99-1.19 0.070
  NOS 3,697 239 6.46 1.68 1.27-2.23 < 0.001
Surgery Fixation 35,214 914 4.29 1.00   
  Arthroplasty 21,286 1,503 4.27 0.99 0.92-1.08 0.880
Weekend No 41,759 1,793 4.29 1.00   
Admission Yes 14,741 624 4.23 0.98 0.90-1.08 0.755
Charlson 0 36,371 1,144 3.15 1.00   
Index 1 15,222 733 4.82 1.56 1.34-1.80 < 0.001
  2 3,598 324 9.01 3.04 2.59-3.58 < 0.001
  3 802 113 14.09 5.05 3.86-6.61 < 0.001
  > 3 507 103 20.32 7.85 6.07-10.16 < 0.001
Risk 0 1,818 6 0.33 1.00   
Mortality 4-6 10,367 91 0.88 2.39 1.19-6.00 0.017
Index 7-12 22,237 502 2.26 6.97 3.23-15.04 < 0.001
  > 12 22,078 1818 8.23 27.10 12.26-58.42 < 0.001
Number of 0-1 19,646 278 1.42 1.00   
Secondary 2-3 17,972 486 2.70 1.94 1.51-2.48 < 0.001
Diagnoses 4-6 11,322 614 5.42 3.99 3.00-5.31 < 0.001
  > 6 7,560 1,039 13.74 11.10 8.15-15.13 < 0.001
Time to 0-1 days 13,998 539 3.85 1.00   
Surgery 2-5 days 28,069 1,070 3.81 0.98 0.88-1.11 0.860
  6-14 days 13,303 696 5.23 1.38 1.17-1.61 < 0.001
  14-30 days 1,130 112 9.91 2.75 2.01-3.75 < 0.001
Year 2002 13,593 606 4.46 1.00   
  2003 14,403 641 4.45 0.99 0.87-1.14 0.980
  2004 14,233 594 4.17 0.93 0.81-1.06 0.298
  2005 14,271 576 4.04 0.90 0.79-1.03 0.135
TOTAL   56,500 2,417 4.28    
  1. (*) Number and proportion of dead patients. (**) OR of death regarding the basal value in each stratum. Variables with missing values: sex (n = 18); NOS: Non-Otherwise Specified; OR: odds ratio; 95%CI: 95% confidence interval.