Table 4.
Obstructive voiding symptoms following SBRT for prostate cancer: patient-reported responses to IPSS questions 1 (incomplete emptying), 3 (intermittency), 5 (weak stream) and 6 (straining)
| Start | 1 Mon | 3 Mon | 6 Mon | 9 Mon | 12 Mon | 18 Mon | 24 Mon | |
|---|---|---|---|---|---|---|---|---|
|
Incomplete Voiding |
|
|
|
|
|
|
|
|
| Never |
45.1% |
26.8% |
36.6% |
45.6% |
40.4% |
37.8% |
42.9% |
44.1% |
| < 1/2 times |
42.2% |
52.5% |
53.7% |
47.2% |
45.2% |
46.7% |
46.0% |
43.3% |
| < 1/2 times |
11.2% |
18.0% |
7.4% |
6.8% |
12.0% |
14.6% |
8.8% |
8.8% |
| Always |
2.6% |
2.7% |
2.7% |
1.2% |
3.2% |
1.6% |
3.1% |
4.2% |
|
p |
|
<0.0001 |
0.747 |
0.1302 |
0.5017 |
0.2546 |
0.5802 |
0.7787 |
|
Intermittency |
|
|
|
|
|
|
|
|
| Never |
45.9% |
33.3% |
45.1% |
50.0% |
45.2% |
43.5% |
51.3% |
50.8% |
| < 1/2 times |
40.3% |
51.0% |
47.5% |
42.4% |
43.6% |
39.4% |
37.2% |
39.1% |
| < 1/2 times |
12.3% |
13.4% |
5.1% |
6.8% |
9.2% |
15.4% |
9.7% |
9.2% |
| Always |
1.5% |
2.3% |
2.3% |
0.8% |
2.0% |
1.6% |
1.8% |
0.8% |
|
p |
|
0.0025 |
0.1411 |
0.0156 |
0.7464 |
0.8765 |
0.1081 |
0.0225 |
|
Weak Stream |
|
|
|
|
|
|
|
|
| Never |
42.7% |
26.8% |
37.7% |
42.8% |
37.2% |
34.1% |
41.2% |
40.3% |
| < 1/2 times |
40.8% |
46.7% |
48.6% |
42.0% |
43.2% |
48.0% |
41.6% |
45.4% |
| < 1/2 times |
11.2% |
22.6% |
10.9% |
13.2% |
16.8% |
13.4% |
12.8% |
10.9% |
| Always |
5.2% |
3.8% |
2.7% |
2.0% |
2.8% |
4.5% |
4.4% |
3.4% |
|
p |
|
<0.0001 |
0.9055 |
0.6035 |
0.1365 |
0.1183 |
0.7275 |
0.6782 |
|
Straining |
|
|
|
|
|
|
|
|
| Never |
72.4% |
60.2% |
74.3% |
73.9% |
68.4% |
65.0% |
72.4% |
75.6% |
| < 1/2 times |
24.6% |
33.3% |
22.6% |
23.7% |
25.6% |
29.3% |
24.4% |
20.6% |
| < 1/2 times |
1.9% |
5.7% |
2.7% |
2.4% |
4.8% |
5.3% |
3.1% |
3.4% |
| Always |
1.1% |
0.8% |
0.4% |
0.0% |
1.2% |
0.4% |
0.4% |
0.4% |
| p | 0.0001 | 0.7224 | 0.2286 | 0.1191 | 0.0482 | 0.7608 | 0.3241 |