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Table 2 Postoperative outcomes in Group L and Group H

From: Effects of dexmedetomidine dosage on the short-term cognitive function of elderly patients undergoing cardiac surgery

Clinical outcomes

Group L ,n = 44

Group H ,n = 44

P value

Primary outcome

 MMSE(T1)

26.0(24.0–27.0)

24.5(22.0–26.0)

0.046

 MMSE(T2)

27.0(25.0–29.0)

27.0(25.0–28.0)

0.293

 MMSE (T3)

28.0(26.0–29.0)

27.0(25.3–28.8)

0.344

 MMSE (T4)

28.0(26.0–29.0)

27.5(27.0–29.0)

0.148

Secondary outcome

 POD n (%)

3(6.8)

3(6.8)

> 0.999#

 Intraoperative hypotension n (%)

2(4.5)

8(18.2)

0.044

 Intraoperative bradycardia n (%)

4(9.1)

11(25.0)

0.047

 hours of initial intubation (h)

19.5(15.0–23.0)

21.0(15.0-27.8)

0.415

 Myocardial infarction n (%)

0(0)

0(0)

 

 Stroke n (%)

0(0)

0(0)

 

 CSICU stay(h)

32.5(21.0–45.0)

40.5(21.3–61.3)

0.613

 Hospital days (d)

24.5(20.-329.8)

23.0(18.0 -27.8)

0.207

 Hospital mortality n (%)

0(0)

0(0)

 
  1. Data are shown as the mean ± standard deviation, number (percent), or median (interquartile range) as appropriate. #Fisher's exact test
  2. MMSE Mini-Mental State Evaluation, T1 on postoperative 2 days, T2 on postoperative 7 days, T3 on postoperative 14 days, T4 on postoperative 28 days, POD postoperative delirium, CSICU cardiosurgery intensive care unit