Table 12. Difference in the Visit Days of Outpatients according to Age Group

	M	s.e	95% confidence interval		F
			Lower	Upper
0-9	14.500	6.729	1.286	27.714	3.093**(.002)
10-19	14.957	1.700	11.619	18.296
20-29	13.104	1.287	10.576	15.631
30-39	9.786	1.624	6.597	12.976
40-49	7.657	1.586	4.543	10.772
50-59	6.913	1.624	3.723	10.102
60-69	7.520	2.331	2.943	12.097
70-79	2750	4.121	-5.342	10.842
80-89	8.286	6.230	-3.948	20.519

p<.05