Table 2: Surgical time, intraoperative motor block, and anaesthetic value comparison.

Ketamine

(N=30)

Bupivacaine

(N=30)

P value

Ketamine's impact in respect to bupivacaine

Mean±SD

95% CI

Operation time (min), Mean±SD

62.4±11.7

62.8±13.4

^0.894

-0.4±3.3

-6.9–6.1

 

 

 

 

RR

95% CI

Bromage scale

0

24 (80.0%)

16 (53.3%)

§0.031*

1.50

1.03–2.19

1

6 (20.0%)

9 (30.0%)

Reference

2

0 (0.0%)

5 (16.7%)

Anaesthesia value

Excellent

16 (53.3%)

7 (23.3%)

#0.017*

2.29

1.10–4.74

Good

12 (40.0%)

14 (46.7%)

Reference

Moderate

2 (6.7%)

9 (30.0%)

^Independent t-test; §Fisher's Exact test; #Chi square test; *Significant; RR: Relative risk; CI: Confidence interval.