Table 1.

Mean and standard deviation of cardiac size parameters among the various age groupings

	TCD(cm)		CTR (%)		TTD(cm)
AGE/years	Male	Female	Male	Female	Male	Female
21-40	13.6± 1.2	12.5± 1.2	46.4± 4.0	46.4± 4.5	29.4± 2.9	27.0± 2.9
41-60	14.4± 1.1	13.9± 0.9	47.2± 3.7	50.9± 3.8	30.6± 2.2	27.4± 1.6
≥ 60	13.7± 1.2	13.9± 0.7	47.4± 4.8	51.7± 3.7	29.1± 1.6	26.9± 1.7
Average	13.8± 1.2	12.9± 1.3	46.6± 3.9	49.6± 4.8	29.7± 2.7	27.1± 2.6