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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: Eur Urol. 2011 Mar 21;59(6):1032–1038. doi: 10.1016/j.eururo.2011.03.007

Table 3.

Comparison of the prevalence of overactive bladder symptoms in the twins grouped by age and gender

Symptom Sex Age, yr
20–25 26–30 31–35 36–40 41–46 Total Difference
between
age groups
OAB all

n (%)		 Men 72
(3.5)		 73
(4.2)		 79
(4.2)		 93
(4.5)		 158
(6.5)		 475/10184
(4.7)		 p <
0.0001‡
Women 209
(8.0)		 211
(9.2)		 200
(8.3)		 235
(9.3)		 301
(10.0)		 1156/12850
(9.0)		 p = 0.10
OAB dry

n (%)		 Men 68
(3.3)		 68
(3.9)		 74
(3.9)		 91
(4.4)		 149
(6.1)		 450/10184
(4.4)		 p <
0.0001‡
Women 185
(7.1)		 182
(8.0)		 164
(6.8)		 177
(7.0)		 201
(6.7)		 909/12850
(7.1)		 p = 0.45
OAB wet

n (%)		 Men 4
(0.2)		 5
(0.3)		 5
(0.3)		 2
(0.1)		 9
(0.4)		 25/10184
(0.3)		 p = 0.51
Women 24
(0.9)		 29
(1.3)		 36
(1.5)		 58
(2.3)		 100
(3.3)		 247/12850
(1.9)		 p <
0.0001‡

The presence or absence of overactive bladder symptoms (OAB) symptoms were classified as follows: No OAB symptoms = No OAB; OAB without UI = OAB dry; and OAB with UI = OAB wet.

‡

Increasing prevalence with increasing age.