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Table 2 The results of patients’ preoperative laboratory examination and postoperative VAS score

From: The risk factors of postoperative delirium in patients with hip fracture: implication for clinical management

Items

Delirium group(n = 82)

Non-delirium group(n = 486)

t/χ2

p

Albumin(g/L)

37.25 ± 5.18

43.39 ± 4.96

8.098

0.035

Hemoglobin(g/L)

121.04 ± 14.37

121.18 ± 15.20

6.495

0.095

Blood sugar(mmol/L)

7.73 ± 1.29

7.69 ± 1.03

1.145

0.110

Creatinine(µmol/L)

77.29 ± 9.06

75.13 ± 9.15

8.440

0.127

Urea nitrogen(mmol/L)

7.80 ± 1.28

7.59 ± 1.17

1.096

0.093

T3(mU/L)

1.32 ± 0.11

1.33 ± 0.15

1.030

0.298

T4(mU/L)

95.18 ± 17.35

97.42 ± 16.55

9.194

0.166

TSH(mU/L)

1.65 ± 0.28

2.68 ± 0.77

0.926

0.032

FT3(mU/L)

3.01 ± 0.65

3.31 ± 0.64

1.118

0.057

FT4(mU/L)

16.39 ± 2.75

16.25 ± 2.18

1.093

0.056

PaO2(mmHg)

83.32 ± 19.06

84.18 ± 17.06

5.275

0.102

PaCO2(mmHg)

32.48 ± 3.18

33.24 ± 4.10

2.184

0.063

VAS on the first postoperative day

 Resting

2.01 ± 0.84

0.97 ± 0.41

1.106

0.032

 Motion

4.28 ± 1.13

3.95 ± 1.02

1.081

0.084

VAS on the second postoperative day

 Resting

0.79 ± 0.27

0.69 ± 0.38

1.194

0.198

 Motion

2.87 ± 0.95

2.85 ± 0.88

1.056

0.085

  1. Notes: PaO2 partial pressure of oxygen; PaCO2 partial pressure of carbon dioxide; T4 total thyroxine; T3 triiodothyronine; FT4 free thyroxine; FT3 free triiodothyronine; VAS visual analog score; TSH thyroid stimulating hormone