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Table 3 Comparison of the AUC for independent factors and ALB

From: The need for nutritional assessment and interventions based on the prognostic nutritional index for patients with femoral fractures: a retrospective study

  AUC (95% CI) P Youdenmax Threshold P*
PNI at admission 0.772 (0.723, 0.821) < 0.001 0.425 42.425  
Age 0.678 (0.622, 0.734) < 0.001 0.250 55.5 years 0.002
Postoperative hospital stay 0.608 (0.548, 0.668) 0.001 0.196 6.5 days < 0.001
Time to admission 0.585 (0.525, 0.646) 0.006 0.181 2 days < 0.001
ALB at admission 0.736 (0.683, 0.790) < 0.001 0.384 36.35 g/l 0.038
  1. Bold fonts represent statistical significance, P < 0.05; P* < 0.05 vs. PNI
  2. ALB albumin, AUC area under the curve, PNI prognostic nutritional index