Table 1.

Characteristics of euthanasia regimen study groups

				P
	Pentobarbital	Xylazine	MS222	Pentobarbital versus xylazine	Pentobarbital versus MS222
Heartrate at baselinea	173.20 ± 27.33	167.87 ± 19.33	174.20 ± 12.87	0.5491	0.9121
Weight (g)a	1.79 ± 0.49	1.86 ± 0.74	2.71 ± 0.52	0.7295	<0.0001
Sexb				0.7148	0.0698
Female	7 (70)	18 (60)	2 (20)
Male	3 (30)	12 (40)	8 (80)

^aData given as mean ± SE; χ² test subsequent to linear modeling using generalized estimating equations.

^bData given as number (%); P value obtained by using 2-sided Fisher's exact test.