Table 3. Relative frequencies (%) of urological comorbidities in relation to ED (n = 20,789).

Variable		Relative frequency (%)			p-value
		All patients	With ED	Without ED
Lower urinary tract symptoms (20,789)	Absent/mild	91.8	78.9	94.5	<0.001
	Moderate	7.3	18.3	5
	Severe	0.9	2.8	0.5

Chi-squared test.