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Table 6 Patients at discharge and interview respondents: comparison of sex, age, and ASA

From: Patients with femoral or distal forearm fracture in Germany: a prospective observational study on health care situation and outcome

  Femur Distal Forearm
  Discharge without interview participation afterwards Discharge with interview participation afterwards Discharge without interview participation afterwards Discharge with interview participation afterwards
Number of patients 8,145 4,256 1,054 974
Number of patients Acute-care and rehab hospitals Acute F: 2279/M: 651 Acute F: 624/M: 257 Acute F: 871/M: 183 Acute F: 784/M: 190
  Rehab. F: 4074/M: 1141 Rehab. F: 2521/M: 854   
Sex distribution (%) and Chi square F: 6353 (78.0%) F: 3145 (73.9%) F: 871 (82.6%) F: 784 (80.5%)
  M: 1792 (22.0%) M: 1111 (26.1%) M: 183 (17.4%) M: 190 (19.5%)
  p < 0.0001 p = 0.21
Age in years mean (± SD) t-Test F: 80.6 (± 9.4) F: 75.7 (± 10.2) F: 72.1 (± 12.7) F: 66.4 (± 11.0)
  M: 73.8 (± 13.0) M: 70.2 (± 12.4) M: 59.7 (± 15.7) M: 59.1 (± 11.8)
  p < 0.0001 p < 0.0001 p < 0.0001 p < 0.0001
Δ Age [95% CI] interview – discharge F: Δ = -4.9 [-4.5 ; -5.3] F: Δ = -5.7 [-4.6 ; -6.9]
  M: Δ = -3.6 [-2.6 ; -4.6] M: Δ = -0.6 [-3.5 ; +2.2]
ASA classification mean (± SD) t-Test F: 2.44 (± 0.69) F: 2.15 (± 0.69) F: 2.10 (± 0.68) F: 1.80 (± 0.70)
  M: 2.44 (± 0.76) M: 2.14 (± 0.79) M: 1.78 (± 0.69) M: 1.69 (± 0.72)
  p = 0.89 p = 0.71 p < 0.0001 p = 0.056
Δ ASA [95% CI] interview – discharge F: Δ = -0.29 [-0.26 ; -0.32] F: Δ = -0.30 [-0.24 ; -0.37]
  M: Δ = -0.30 [-0.24 ; -0.36] M: Δ = -0.09 [-0.24 ; +0.05]