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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