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Table 2 Analysis of risk factor for intensive care unit admittance by univariate and multivariate logistic regression analysis

From: Combination of measures of handgrip strength and red cell distribution width can predict in-hospital complications better than the ASA grade after hip fracture surgery in the elderly

  R2 (%)   Odds ratio 95% confidence interval p - value
ASA grade 2.7   1.99 1.06 to 3.75 0.033
RDW 6.4   1.36 0.98 to 1.90 0.044
Grip strength 19.8   0.95 0.92 to 0.98 0.002
Age 11.9   1.10 1.02 to 1.18 0.009
Gender 0.6   1.37 0.49 to 4.07 0.541
Diagnosis 5.2   2.33 0.92 to 5.94 0.076
ASA grade + other variables* 22.4 ASA grade 4.48 1.06 to 4.13 0.027
Age 1.10 1.02 to 1.19 0.012
Diagnosis 2.62 0.94 to 7.29 0.064
RDW + Grip strength 25.9 RDW 1.41 1.01 to 1.98 0.045
Grip strength 0.95 0.92 to 0.98 0.001
RDW + Grip strength + other variables* 33.4 RDW 1.45 1.03 to 2.04 0.034
Grip strength 0.93 0.90 to 0.97 0.001
Age 1.04 0.96 to 1.13 0.329
Diagnosis of FNF (vs. IF) 0.26 0.08 to 0.82 0.021
  1. *Age, diagnosis
  2. ASA American Society of Anesthesiologists, RDW red cell distribution width, FNF femur neck fracture, IF intertrochanteric fracture, RDW (%), Grip strength (kg)