Table 3.

Prevalence (%) and Confidence Interval (95%) of dynapenia by age and gender in Cuiabá, MT, Brazil, 2010 (n = 387).

	Total	65-69 years	70-74 years	75-79 years	80 or more years
Men	13.5	16.0	17.8	6.1	7.7
CI 95%	(8.3-20.2) (n = 19)	(7.2-29.1) (n = 8)	(8.0-32.1) (n = 8)	(0.7-20.2) (n = 2)	(0.2-36.0) (n = 1)
Women	52.4	53.6	52.9	44.7	56.1
CI 95%	(46.0-58.8) (n = 129)	(43.2-63.8) (n = 52)	(40.6- 64.9) (n = 37)	(28.6-61.7) (n = 17)	(39.8-71.5) (n = 23)

Chi-square to examine the differences in the categorical variables between the groups. CI = confidence interval.