Table 1.

Mean portal vein diameter distribution by age and sex at Jimma university Hospital (n=195), South West Ethiopia, 2014

Variables	Category	N (%)	Mean PVD ±SD	F-test	P-value
Age (in years)	≤ 10	13(6.7)	7.9± 1.6	8.20	0.001
	11–20	25(12.8)	9.7 ±2.05
	21–30	56(28.7)	11.08±1.4
	31–40	26(13.3)	10.7±1.6
	41–50	17(8.7)	11.3±1.6
	51–60	36(18.5)	10.9+1.7
	61–70	7(3.6)	9.9+1.0
	≥71	15(7.7)	10.8±1.5
	Total	195(100.0)	10.60+1.8
				t-test	P-value
sex	Male	121(62.1)	10.9+1.9	3.63	0.001
	Female	74(37.9)	10.00+1.5
	Total	195(100)	10.6±1.8

PVD portal vein diameter, SD standard deviation