Relationship between cigarette smoking and one leg with eyes closed balance in Japanese men

Table 2 Changes in one leg with eyes closed balance with aging

	Number of subjects	Mean ± SD	Number of subjects with 120 second
20–29	854	51.0 ± 39.8	131
30–39	1026	40.4 ± 34.9	77^a
40–49	900	29.8 ± 27.5	23^ab
50–59	785	20.5 ± 22.1	10^abc
60–69	531	11.0 ± 11.6	0^abcd
70–79	128	4.9 ± 3.7	0^abcd

p values were showed for the post-hoc test after the comparison of the mean values by age groups
^a p < 0.05 vs 20–29
^b p < 0.05 vs 30–39
^c p < 0.05 vs 40–49
^d p < 0.05 vs 50–59

ISSN: 1347-4715