Table 3.

Echocardiographic data for German Shepherd dogs of different age

Echo parameters	Young dogs (mean±SD)	Old dogs (mean±SD)
LVIDd (mm)	43.88 ± 3.78	45.29 ± 3.34
LVIDs (mm)	31.23 ± 5.51	32.04 ± 3.55
LVWd (mm)	8.75 ± 0.71	10.99 ± 1.55**
LVWs (mm)	10.52 ± 1.38	12.97 ± 2.27*
RWT	0.40 ± 0.03	0.48 ± 0.09*
FS (%)	28.94 ± 8.96	29.16 ± 6.77
LVW%T (%)	20.05 ± 10.78	18.17 ± 14.97
WSIS	3.03 ± 0.78	2.55 ± 0.62
WSID	5.03 ± 0.48	4.20 ± 0.72*

^* P<0.05,

^** P<0.001