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Table 2 Relative risks for different outcome measures in anemic and non-anemic patients

From: Outcome in hip fracture patients related to anemia at admission and allogeneic blood transfusion: an analysis of 1262 surgically treated patients

  Anemic Non-anemic RR (CI) P-value
  n = 536 n = 726   
Mortality     
In-hospital 30 (5.6) 31 (4.3) 1.17 (0.90-1.52) 0.277
3-month 113 (21.1) 87 (12.0) 1.42 (1.23-1.64) < 0.001
3-12 month 60 (11.2) 71 (9.8) 1.09 (0.89-1.33) 0.415
12-month 173 (32.3) 158 (21.8) 1.34 (1.18-1.53) < 0.001
Delirium 162 (30.3) 155 (21.3) 1.29 (1.13-1.48) < 0.001
LOS > 11 days 272 (50.7) 368 (50.7) 1.00 (0.88-1.14) 0.984
Discharge to a NH 277 (51.7) 285 (39.3) 1.33 (1.17-1.51) < 0.001
90-day readmission rate 69 (12.9) 65 (9.0) 1.24 (1.04-1.49) 0.025
  1. Values are given as number (percentage), RR = relative risk, CI = confidence interval, LOS = length of stay, NH = nursing home