Table 2 Total fentanyl consumption and complications among the studied groups

Fentanyl: (μg/kg)

4.5 ± 0.9

3.3 ± 0.8

3.5 ± 0.8

^† < 0.001**

 < 0.05¹

 < 0.05²

 > 0.05³

Emergence agitation N (%):

 < 0.05¹

 No:

19 (47.5%)

30 (75%)

27 (67.5%)

^‡0.03*

 > 0.05²

 Yes:

21 (52.5%)

10 (25%)

13 (32.5%)

 > 0.05³

Hypotension N (%):

 > 0.05¹

 No:

37 (92.5%)

34 (85%)

37 (92.5%)

^‡0.435

 > 0.05²

 Yes:

3 (7.5%)

6 (15%)

3 (7.5%)

 > 0.05³

Bradycardia N (%):

 < 0.05¹

 No:

40 (100%)

31 (77.5%)

40 (100%)

^‡ < 0.001**

 > 0.05 ²

 Yes:

0 (0%)

9 (22.5%)

0 (0%)

 < 0.05³

Hallucination N (%)

 > 0.05¹

 No:

39 (97.5%)

40 (100%)

36 (90%)

^‡0.06

 > 0.05²

 Yes:

1 (2.5%)

0 (0%)

4 (10%)

 > 0.05³

Nightmares N (%):

 > 0.05¹

 No:

40 (100%)

40 (100%)

40 (100%)

 > 0.05²

 Yes:

0 (0%)

0 (0%)

0 (0%)

^‡1.00

 > 0.05³