Table 6. Univariate and multivariate analysis for predictive factors of chronic micturition urethral pain among urinary UP positive patients.

	Univariate				Multivariate
	HR	95% CI	P value		HR	95% CI	P value
Age
<61 years		Reference				Reference
≥61 years	0.795	0.526–1.902	0.191		0.868	0.215–2.429	0.372
Microscopic hematuria grade, RBCs/HPF, n (%)
4–10		Reference				Reference
11–25	1.103	0.323–1.460	0.128		1.087	0.154–1.845	0.290
26–50	1.121	1.017–1.682	0.027		1.025	0.983–1.796	0.061
Presence of DM
Negative		Reference				Reference
Positive	1.150	0.781–1.844	0.525		1.049	0.391–1.547	0.708
Urinary UP serotypes
Serovar-1		Reference				Reference
Serovar-3	1.637	1.356–1.990	0.006		1.354	1.116–1.892	0.018
Serovar-6	0.882	0.225–0.906	0.040		0.910	0.623–1.081	0.089
Serovar-14	1.204	1.045–1.410	0.035		1.117	1.031–1.299	0.046

UP, Ureaplasma parvum; HR, hazard ratio; CI, confidence interval; DM, diabetes mellitus.