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Table 1 Patient characteristics and factors associated with early-surgery.

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 Factors related with early surgery
   N % n(*) % OR(**) 95CI OR p
Age 60-69 years 3,584 6.34 930 25.95 1.00   
  70-79 years 15,840 28.04 3,825 24.15 0.91 0.84-0.99 0.024
  80-89 years 27,309 48.33 6,658 24.38 0.92 0.85-0.99 0.040
  90+ years 9,767 17.29 2,585 26.47 1.03 0.94-1.12 0.547
Sex Male 12,154 21.52 2,750 22.63 1.00   
  Female 44,328 78.48 11,240 25.36 1.16 1.11-1.22 < 0.001
Fracture Intracapsular 22,804 40.36 5,400 23.68 1.00   
  Trochanteric 29,999 53.10 7,747 25.82 1.12 1.08-1.17 < 0.001
  NOS 3,697 6.54 851 23.02 0.96 0.89-1.05 0.380
Surgery Fixation 35,214 62.33 9,394 26.68 1.00   
  Arthroplasty 21,286 37.67 4,604 21.63 0.76 0.73-0.80 < 0.001
Weekend No 41,759 73.91 10,824 25.92 1.00   
Admission Yes 14,741 26.09 3,174 21.53 0,78 0,75-0.82 < 0.001
Charlson 0 36,371 64.37 9,644 26.52 1.00   
Index 1 15,222 26.94 3,402 22.35 0.80 0.76-0.83 < 0.001
  2 3,598 6.37 721 20.04 0.69 0.64-0.76 < 0.001
  3 802 1.42 148 18.45 0.63 0.52-0.75 < 0.001
  > 3 507 0.90 83 16.37 0.54 0.43-0.69 < 0.001
Risk 0 1,818 3.22 512 27.98 1.00   
Mortality 4-6 10,367 18.35 2,747 26.33 0.92 0.82-1.03 0.137
Index 7-12 22,237 39.36 5,527 24.70 0.84 0.76-0.94 0.002
  > 12 22,078 39.08 5,212 23.74 0.80 0.72-0.89 < 0.001
Number of 0-1 19,646 34.77 5,783 29.44 1.00   
Secondary 2-3 17,972 31.81 4,629 25.76 0.83 0.80-0.87 < 0.001
Diagnoses 4-6 11,322 20.04 2,364 20.88 0.63 0.60-0.67 < 0.001
  > 6 7,560 13.38 1,222 16.16 0.46 0.43-0.49 < 0.001
Time to 0-1 days 13,998 24.78 13,998 100.00 -- -- --
Surgery 2-5 days 28,069 49.68 -- 0.00 -- -- --
  6-14 days 13,303 23.55 -- 0.00 -- -- --
  14-30 days 1,130 2.00 -- 0.00 -- -- --
Year 2002 13,593 24.06 3,528 25.95 1.00   
  2003 14,403 25.49 3,705 25.72 0.99 0.94-1.04 0.659
  2004 14,233 25.19 3,549 24.94 0.95 0.90-1.00 0.051
  2005 14,271 25.26 3,216 22.54 0.83 0.79-0.88 < 0.001
TOTAL   56,500 100.00 13,998 24.78    
  1. Bivariate analysis.
  2. (*) Number and proportion of patients with early surgery. (**) OR of early surgery 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.