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Table 4 The incidence of dNCR after tertiles of biochemical variables

From: Association between preoperative serum homocysteine and delayed neurocognitive recovery after non-cardiac surgery in elderly patients: a prospective observational study

Biochemical variables

dNCR, n (%)

 

1sta(n = 58)

2ndb(n = 58)

3rdc(n = 59)

P value

Homocysteine (μmol/L)

6 (10.3)

13 (22.4)

17 (28.8)

0.04*

Folate (ng/mL)

20 (34.5)

9 (15.5)

7 (11.9)

0.01†

Vitamin B12 (pg/mL)

14 (24.1)

15 (25.9)

7 (11.9)

0.12

  1. Results are shown as frequency (%) for the chi-squared tests
  2. a1st: homocysteine (≤ 9.6); folate (≤ 5.4); vitamin B12 (≤ 274)
  3. b2nd: homocysteine (> 9.6, ≤ 12.8); folate (> 5.4, ≤ 8.0); vitamin B12 (>274, ≤427)
  4. c3rd: homocysteine (> 12.8); folate (>8.0); vitamin B12 (> 427)
  5. *P < 0.05
  6. †P < 0.01
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Perioperative Medicine

ISSN: 2047-0525