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Table 2 Average serum cortisol levels detected in calves receiving (group receiving rectus sheath block, RSB) and without receiving ultrasound-guided RSB (control group, CG) at different time-intervals

From: Cardiovascular changes, laboratory findings and pain scores in calves undergoing ultrasonography-guided bilateral rectus sheath block before herniorrhaphy: a prospective randomized clinical trial

 

Serum cortisol levels

 

-150 min

IND-t

SKI-t

EP-t

+ 30 min

+ 45 min

+ 60 min

+ 120 min

+ 360 min

 

ng/mL ± SD

ng/mL ± SD

ng/mL ± SD

ng/mL ± SD

ng/mL ± SD

ng/mL ± SD

ng/mL ± SD

ng/mL ± SD

ng/mL ± SD

RSB

5.3

0.14

4.6c

0.03

4.5a,e

0.08

6.8

0.15

6.2

0.11

8.9d,f

0.10

8.5

0.13

9.5

0.13

6.8

0.09

CG

5.6

0.08

6.0

0.08

8.2b

0.06

7.3

0.15

6.8

0.09

8.2

0.09

9.4

0.09

8.3

0.11

8.0

0.09

  1. ng nanograms, mL millilitres, min minutes; -150 min 150 min pre-surgery, IND-t induction time, SKI-t skin incision, EP-t end of surgical procedures, + 30 min 30 min post-surgery, +45 min 45 min post-surgery, +60 min 60 min post-surgery, +120 min 120 min post-surgery, +360 min 360 min post-surgery; a,bP = 0.003; c,dP = 0.004; e,fP = 0.005