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Table 2 Laboratory test results of patients with or without cognitive impairment

From: Preoperative assessment of cognitive function and risk assessment of cognitive impairment in elderly patients with orthopedics: a cross-sectional study

Variables

Cognitive normal

(n = 267)

Cognitive impairment

(n = 107)

Statistical values

P

Hcy (μmol/L), median (IQR)

11.3 (9.8–13.8)

12.3 (9.9–15.7)

1.991a

0.046

TG (mmol/L), median (IQR)

1.31 (0.97–1.78)

1.23 (0.96–1.66)

−0.738a

0.460

TC (mmol/L, mean ± SD)

4.22 ± 0.94

4.48 ± 1.05

−2.431b

0.016

LDL (mmol/L), median (IQR)

2.45 (1.98–2.94)

2.37 (1.88–2.97)

− 0.480a

0.631

FBG (mmol/L), median (IQR)

4.89 (4.45–5.45)

5.06 (4.63–5.99)

2.043a

0.041

ALB(g/L), median (IQR)

42.0 (38.7–44.7)

41.3 (38.5–43.4)

−0.720a

0.472

ALT (U/L), median (IQR)

15 (12–21)

15 (10–22)

−0.591a

0.555

  1. Hcy Homocysteine, TG Triglyceride, TC Total cholesterol, LDL low density lipoprotein, FBG Fasting blood glucose, ALB Albumin, ALT Alanine aminotransferase, SD Standard deviation, IQR Interquartile range
  2. aχ2 values; bZ values