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Table 1 Baseline characteristics of the patients

From: Effect of quadratus lumborum block on postoperative cognitive function in elderly patients undergoing laparoscopic radical gastrectomy: a randomized controlled trial

  

Q group (n=30)

C group (n=29)

P

Age (years)

 

71.2±5.3

71.2±5.2

0.467

Sex ratio [case(%)]

male

22 (73.3%)

19 (65.5%)

0.514

female

8 (26.7%)

10 (34.5%)

 

BMI (kg/m2)

 

21.6±3.2

22.1±3.3

0.527

ASA [case(%)]

I

7 (24.1%)

8 (26.7%)

0.697

II

20 (69.0%)

17 (56.7%)

III

2 (6.9%)

5 (16.6%)

Education (years)

 

7.2±2.0

7.1±2.2

0.910

Operative time (min)

 

203.0±58.3

205.7±55.3

0.856

  1. Data are presented as the mean ± SD or number (%). Continuous data were compared by Student's t-test; categorical data were compared by Fisher's exact test; ranked data were compared by Mann-Whitney U test
  2. BMI Body mass index, ASA American Society of Anesthesiologists