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Table 2 Proportions and risk ratios of postoperative complications and case fatality according to receiving ABT in older hip fracture patients (n = 491)

From: A restrictive policy for red blood cell transfusion in older hip fracture patients: experiences from a patient register

  Received ABT (n = 106) No ABT (n = 385) Crude RR (95 % CI) of complications in ABT recipients p valuea
Urinary tract infection, n (%) 24 (22.6) 55 (14.3) 1.58 (1.03–2.43) 0.035
Respiratory tract infection, n (%) 19 (17.9) 38 (9.9) 1.82 (1.09–3.02) 0.021
Delirium, n (%) 44 (41.5) 106 (27.5) 1.51 (1.14–1.99) 0.004
Cardio vascular complications 8 (7.5) 20 (5.2) 0.91 (0.45–1.83) 0.79
Pressure ulcer, n (%) 4 (3.8) 16 (4.2) 0.91 (0.31–2.66) 0.86
Surgical wound infection, n (%) 6 (5.7) 12 (3.1) 1.82 (0.70–4.72) 0.22
In-hospital case fatality, n (%) 3 (2.8) 5 (1.3) 2.18 (0.53–8.97) 0.28
30-day case fatality, n (%) 9 (8.5) 29 (7.5) 1.07 (0.52–2.20) 0.69
1-year case fatality, n (%) 40 (37.7) 97 (25.2) 1.50 (1.110–2.02) 0.008
  1. aChi square test or Fisher’s exact test for pressure ulcer, surgical wound infections, and in-hospital deaths due to small numbers