Table 3. Association between changes (slopes) in LUTS/BPE measures and IPP severity.

Percentiles	OR (95% CI)	p for Trend
Symptom score slope:
0–25	1.00 —	0.0957
25–50	1.23 (0.36–4.21)
50–75	2.39 (0.79–7.22)
75–100	2.17 (0.71–6.67)
Irritative score slope:
0–25	1.00 —	0.1358
25–50	2.08 (0.60–7.21)
50–75	2.99 (0.91–9.81)
75–100	2.41 (0.71–8.17)
Obstructive score slope:
0–25	1.00 —	0.0694
25–50	1.42 (0.43–4.67)
50–75	1.64 (0.51–5.26)
75–100	2.65 (0.89–7.90)
Bother score slope:
0–25	1.00 —	0.5047
25–50	0.30 (0.08–1.17)
50–75	1.24 (0.48–3.18)
75–100	1.00 (0.38–2.67)
Peak flow rate slope:
75–100	1.00 —	0.0488
50–75	6.48 (0.75–55.70)
25–50	4.23 (0.46–39.16)
0–25	9.00 (1.09–74.57)
Prostate vol slope:
0–25	1.00 —	0.0061
25–50	3.11 (0.31–30.91)
50–75	6.61 (0.77–56.86)
75–100	10.56 (1.29–86.51)