Table 1.

Prevalence rates of nocturia in Sweden [15]

Age (years)	Male	Female
20–29	0.045	0.094
30–44	0.040	0.078
45–59	0.131	0.126
60–69*	0.214	0.313
70–79**	0.302	0.407
80–89**	0.389	0.525

* Data in Asplund (2005) [15] was only collected for people <65 years; it was assumed that the same rates were valid for people between 65 and 69 years

** Estimated as described in the text