Table 2.

The incidence and severity of etomidate-induced myoclonus in the two treatment groups

	Treatment		P-value
Group D (n=50)	Group S (n=50)
Median myoclonus grade (IQR)	1 (1–2)	2 (1.25–3)	0.02a
Severity grade (n)
0 None	37	18
1 Mild	7	8
2 Moderate	5	10
3 Severe	1	14
Incidence of myoclonus (%)	13 (26)	32 (64)	0.0001b

Notes: Data are median (IQR), or number (%). ^aMann-Whitney U test. ^bChi-square test.

Abbreviations: Group D, dexmedetomidine group; Group S, saline group.