From: Correlation of prostate volume with severity of lower urinary tract symptoms as measured by international prostate symptoms score and maximum urine flow rate among patients with benign prostatic hyperplasia
Age (years)
Frequency
Percent
40–49
19
6.6
50–59
46
15.9
60–69
138
47.6
70–79
75
25.9
80–89
10
3.4
90–99
2
0.7
Total
290
100.0