| Group 1 (n = 36) | Group 2 (n = 36) | Group 3 (n = 36) | Group 4 (n = 36) | χ2 | p | ||||
---|---|---|---|---|---|---|---|---|---|---|
 | No. | % | No. | % | No. | % | No. | % |  |  |
Riker's = Emergence Agitation (EA) | ||||||||||
 1 Unarousable | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 90.196a | MCp <0.001a |
 2 Very sedated | 0 | 0.0 | 0 | 0.0 | 1 | 2.8 | 0 | 0.0 | ||
 3 Sedated | 5 | 13.9 | 6 | 16.7 | 7 | 19.4 | 0 | 0.0 | ||
 4 Calm and co-operative | 29 | 80.6 | 29 | 80.6 | 28 | 77.8 | 6 | 16.7 | ||
 5 Agitated | 2 | 5.6 | 1 | 2.8 | 0 | 0.0 | 21 | 58.3 | ||
 6 Very agitated | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 9 | 25.0 | ||
 7 Dangerous agitation | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | ||
 < 4= Non-agitated | 34 | 94.4 | 35 | 97.2 | 36 | 100.0 | 6 | 16.7 | 99.499a | <0.001a |
 ≥ 4= Agitated ® | 2 | 5.6 | 1 | 2.8 | 0 | 0.0 | 30 | 83.3 | ||
OR (LL – UL 95% C.I) | 85 (15.938 – 453.307) | 175 (19.932–1536.448) | – |  |  |  | ||||
p | <0.001a | <0.001a | – |  |  |  |