Table 1.

American Urological Symptom Index responses comparing men ≥ 80 years to men < 80 years in the Rancho Bernardo Study, 2006. N: number of respondents; prevalence: number of respondents reporting symptom occurring ≥ 1/2 of the time; OR: odds ratio; 95% CI: 95% confidence interval

Symptom	Age Group		P
	<80 years	≥ 80 years
Incomplete emptying
N	206	84
Prevalence (%)	28 (14)	21(25)
OR	ref	2.12	0.02
95% CI		1.06 to 4.18
Frequency
N	206	84
Prevalence (%)	46 (22)	29 (35)
OR	ref	1.83	0.03
95% CI		1.00 to 3.31
Intermittency
N	206	84
Prevalence (%)	51 (25)	19(23)
OR	ref	0.89	0.70
95% CI		.46 to 1.67
Urgency
N	207	82
Prevalence (%)	47(23)	28 (34)
OR	Ref	1.76	0.05
95% CI		0.96 to 3.20
Weak stream
N	206	84
Prevalence (%)	59 (29)	35 (42)
OR	ref	1.78	0.03
95% CI		1.01 to 3.12
Straining
N	207	84
Prevalence (%)	12 (6)	7 (8)
OR	ref	1.71	0.25
95% CI		0.58 to 4.75
Nocturia
N	206	84
Prevalence (%)	66 (32)	25 (30)
OR	ref	0.90	0.70
95% CI		0.49 to 1.61
Quality of life
N	205	83
Increased bother (%)*	28 (14)	13 (16)
OR	ref	1.17	0.66
95% CI		0.53 to 2.50

^*Those responding “mixed,” “mostly dissatisfied,” “unhappy,” or “terrible”