Table 3.

Body weight (g) of individual mice

		Laparotomy groups			Analgesic-only groups
Time (h)	Mouse no.	Saline	Bup-HCl	Bup-SR	Bup-HCl	Bup-SR
0	1	29.3	28.6	22.6	26.2	29.0
	2	30.2	27.0	25.5	25.9	24.6
	3	27.5	25.5	22.8	22.9	24.8
	4	29.0	29.0	28.5	26.3	26.1
	5	30.7	29.8	31.4	29.9	26.0
	6	30.4	27.4	31.3	31.6	24.2
	7	28.5	27.1	29.4	28.5	27.4
	mean ± 1 SD	29.4 ± 1.2	27.8 ± 1.5	27.8 ± 3.6	27.3 ± 2.9	26.0 ± 1.7
24	1	27.5	26.4	21.3	26.2	23.8
	2	27.2	23.4	23.4	25.3	24.4
	3	26.6	25.5	22.0	23.6	24.0
	4	27.3	27.5	27.2	25.6	25.4
	5	28.4	29.2	28.6	29.1	25.1
	6	29.6	29.2	25.4	29.6	ND
	7	27.1	22.3	25.6	27.2	27.1
	mean ± 1 SD	27.7 ± 1.0	26.2 ± 2.7	24.8 ± 2.7	26.7 ± 2.1	24.9 ± 1.2
48	1	26.5	26.8	21.7	26.9	28.4
	2	25.9	22.4	21.5	25.2	24.8
	3	27.4	24.8	20.5	23.8	25.0
	4	28.3	26.0	26.6	25.5	25.5
	5	29.5	28.8	29.2	29.3	25.5
	6	29.1	26.2	29.1	30.7	23.9
	7	28.0	26.1	28.3	27.7	28.9
	mean ± 1 SD	27.8 ± 1.3	25.9 ± 1.9	25.2 ± 3.9	27.0 ± 2.4	26.0 ± 1.9
72	1	26.9	27.3	22.2	27.3	28.9
	2	25.7	22.1	20.6	25.2	25.3
	3	27.3	23.8	ND	23.9	26.9
	4	28.4	25.1	26.7	26.4	26.0
	5	29.1	28.5	30.3	29.7	26.1
	6	28.7	27.3	29.4	31.6	24.3
	7	28.3	24.8	NDa	27.2	27.2
	mean ± 1 SD	27.7 ± 1.2	25.6 ± 3.9	25.8 ± 4.3	27.3 ± 2.6	26.4 ± 1.5

ND, not done

Body weight did not change significantly in any group.

^aMouse died