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Table 6 MMSE test scores in four groups at different time points (n = 75 per group)

From: Dose-dependent effects of intravenous methoxamine infusion during hip-joint replacement surgery on postoperative cognitive dysfunction and blood TNF-α level in elderly patients: a randomized controlled trial

Group

1 d before operation

1 d post operation

3 d post operation

7 d post operation

POCD, n (%)

C

27.8 ± 2.1

24.3 ± 2.5a

25.2 ± 2.4 a

27.6 ± 2.2

4 (5.3)

M1

27.7 ± 2.1

24.5 ± 2.4ac

24.9 ± 2.5a

27.5 ± 2.2

5 (6.7)

M2

27.9 ± 2.1

25.1 ± 2.5ac

25.3 ± 2.3a

27.6 ± 2.3

5 (6.7)

M3

27.8 ± 2.0

22.2 ± 2.4ac

22.8 ± 2.5ac

27.4 ± 2.0

14 (18.7)c

  1. Data are presented as mean ± SD
  2. a P < 0.05, compared with 1 day before operation
  3. c P < 0.05, compared with the control group