Table 1.

Basic characteristics of J2N-k cardiomyopathic and J2N-n control hamsters.

	Body weight (g)			Heart rate (bpm)
	J2N-k	J2N-n	p	J2N-k	J2N-n	p
5-weeks	70.8 ± 6.7	71.3 ± 2.9	ns	404.3 ± 7.9	400.7 ± 3.1	ns
10-weeks	90.0 ± 6.8	95.7 ± 2.9	ns	395.8 ± 8.0	396.7 ± 8.2	ns
15-weeks	99.3 ± 1.0	102.2 ± 4.1	ns	400.2 ± 17.9	408.8 ± 14.8	ns
20-weeks	113.0 ± 3.5	107.7 ± 6.1	ns	378.3 ± 9.4	402.5 ± 9.1	<0.01

Values are expressed as means ± standard deviation.