Table 1.

Raw data from all genetic populations^a

Strain	All mice			Female mice			Male mice
	n	BL	PS	n	BL	PS	n	BL	PS
B6	13	19.1  ± 1.2	46.5  ± 4.3	7	20.5  ± 1.4	46.7  ± 5.0	6	17.5  ± 1.9	46.2  ± 7.7
D2	17	24.3  ± 1.6	42.5  ± 3.9	8	22.2  ± 2.4	39.1  ± 4.5	9	26.1  ± 2.0	45.6  ± 6.3
(B6xD2)F1	26	18.0  ± 0.9	38.5  ± 3.6	8	18.8  ± 2.2	37.5  ± 6.7	18	17.7  ± 0.8	39.0  ± 4.4
BXD-1	14	22.6  ± 0.9	58.2  ± 1.2	7	21.4  ± 0.6	58.1  ± 1.9	7	23.7  ± 1.7	58.3  ± 1.7
BXD-2	15	19.4  ± 1.6	32.5  ± 3.8	7	20.0  ± 2.4	29.6  ± 3.2	8	18.9  ± 2.1	35.1  ± 6.6
BXD-5	15	18.3  ± 1.7	48.2  ± 4.8	8	17.1  ± 2.3	51.6  ± 5.9	7	19.8  ± 2.5	44.2  ± 8.0
BXD-6	18	19.8  ± 1.8	50.6  ± 3.0	9	19.9  ± 2.9	51.3  ± 4.4	9	19.7  ± 2.2	49.9  ± 4.4
BXD-8	17	28.6  ± 2.1	52.1  ± 3.5	10	27.3  ± 2.8	54.2  ± 3.3	7	30.5  ± 3.2	49.1  ± 7.2
BXD-9	12	19.8  ± 2.1	55.5  ± 3.1	8	16.3  ± 2.2	53.2  ± 4.4	4	26.6  ± 1.9	60  ± 0
BXD-11	16	18.1  ± 1.7	52.5  ± 3.6	9	14.9  ± 1.7	54.5  ± 3.8	7	22.1  ± 2.6	49.8  ± 7.0
BXD-12	14	24.5  ± 1.7	55.1  ± 2.1	7	26.0  ± 2.8	55.4  ± 3.3	7	23.0  ± 2.1	54.7  ± 2.7
BXD-13	14	23.9  ± 2.3	60  ± 0	7	21.3  ± 2.2	60  ± 0	7	26.6  ± 4.0	60  ± 0
BXD-14	13	24.6  ± 2.2	35.8  ± 4.6	6	18.7  ± 1.2	30.0  ± 7.5	7	29.7  ± 2.8	40.9  ± 5.5
BXD-15	19	18.3  ± 1.6	43.9  ± 3.6	10	16.5  ± 2.7	39.4  ± 5.7	9	20.3  ± 1.6	48.8  ± 3.8
BXD-16	15	15.1  ± 1.5	49.6  ± 3.6	8	15.9  ± 0.6	50.2  ± 5.1	7	14.1  ± 3.2	48.8  ± 5.5
BXD-18	18	25.9  ± 1.7	51.5  ± 3.0	7	23.6  ± 2.7	47.7  ± 6.2	11	27.4  ± 2.1	53.9  ± 3.1
BXD-19	17	16.1  ± 1.5	33.1  ± 3.1	9	15.2  ± 2.3	34.0  ± 4.4	8	17.0  ± 1.9	32.1  ± 4.5
BXD-21	14	20.9  ± 1.5	56.4  ± 3.2	7	20.7  ± 2.7	60  ± 0	7	21.0  ± 1.4	52.7  ± 6.3
BXD-22	9	24.6  ± 3.2	44.2  ± 6.5	3	17.3  ± 5.5	31.7  ± 14.2	6	28.2  ± 3.2	50.5  ± 6.0
BXD-23	16	15.9  ± 2.1	37.0  ± 4.0	8	13.5  ± 2.1	31.5  ± 5.5	8	18.2  ± 3.5	42.6  ± 5.5
BXD-25	18	24.2  ± 2.0	54.9  ± 2.6	8	19.5  ± 2.1	57.1  ± 2.9	10	27.9  ± 2.8	53.2  ± 4.1
BXD-27	18	20.4  ± 1.8	54.5  ± 2.3	9	21.3  ± 1.9	60  ± 0	9	19.5  ± 3.3	48.9  ± 3.8
BXD-28	18	18.3  ± 1.3	50.7  ± 3.3	9	17.4  ± 1.7	47.1  ± 4.4	9	19.2  ± 1.9	54.3  ± 4.8
BXD-29	19	17.9  ± 1.3	33.4  ± 4.0	9	16.9  ± 1.9	33.4  ± 5.2	10	18.8  ± 1.8	33.5  ± 6.2
BXD-30	14	18.9  ± 1.1	34.2  ± 5.0	7	18.0  ± 1.6	28.0  ± 6.1	7	19.9  ± 1.6	40.1  ± 7.7
BXD-31	16	13.0  ± 1.1	24.6  ± 4.2	7	12.6  ± 1.3	14.7  ± 2.4	9	13.3  ± 1.7	32.3  ± 6.2
BXD-32	21	13.6  ± 1.2	41.4  ± 3.3	10	12.4  ± 1.3	44.4  ± 4.6	11	14.7  ± 2.0	38.6  ± 4.8

^F1-aThe 54°C hot-plate latencies (in seconds) of all genetic populations immediately before [baseline (BL)] and 2 min after [post-swim (PS)] 3 min forced swims in 15°C water. Analgesic magnitudes expressed as %MPE = [(PS − BL)/(60 − BL)] × 100 were calculated from these data (in BXD strains only) for purposes of QTL analysis (see Fig. 1).