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Table. 2 Preoperative laboratory measurements between the PD and non-PD groups

From: Preoperative prognostic nutritional index is useful factor for predicting postoperative delirium after primary total joint arthroplasty

  PD group Non-PD group P
Number of subjects 67 927  
White blood cell (x10^9/L) 6.6 ± 1.7 6.7 ± 1.7 0.70
Hemoglobin (g/L) 128.8 ± 12.4 129.1 ± 13.7 0.86
Neutrophils count (x10^9/L) 4.1 ± 1.3 4.0 ± 1.4 0.64
Serum albumin (g/L) 37.7 ± 3.6 39.9 ± 3.4 < 0.01*
Lymphocyte count (x10^9/L) 1.8 ± 0.8 2.0 ± 0.7 0.06
PNI 46.7 ± 4.1 49.9 ± 5.0 < 0.01*
  1. *Statistically significant difference between the PD and non-PD groups
  2. PD Postoperative delirium; PNI Prognostic nutritional index; P P-value