Table 4.

Prevalence and odds ratio of renal insufficiency and proteinuria in different DBP strata

DBP strata (mmHg)	Renal Insufficiency		Proteinuria
	Prevalence (%)	OR (95% CI)	Prevalence (%)	OR (95% CI)
70-79	6.7	1.0 (reference)	11.9	1.0 (reference)
40-49	13.8	2.2(1.46-3.40)*	17.8	1.8(1.23-2.58)*
50-59	11.1	1.7(1.42-2.14)*	11.3	0.9(0.78-1.15)
60-69	8.5	1.3(1.14-1.47)*	11.2	0.9(0.84-1.05)
80-89	6.4	1.0(0.84-1.07)	14.3	1.2(1.13-1.35)*
90-99	7.1	1.2(1.01-1.36)	18.7	1.7(1.54-1.91)*
100-109	8.5	1.2(0.75-2.00)	25.6	2.6(2.17-3.00)*
110-119	12.0	1.3(0.98-1.60)	34.7	3.6(2.70-4.82)*
120-129	18.0	3.5(1.54-7.65)*	54.5	8.9(4.47-17.71)*
130-140	23.5	3.6(1.65-7.89)*	80.0	12.3(3.31-26.54)*

Prevalence is shown as percentage; OR is shown with 95% CI. Logistic regression was used to evaluate the ORs of different SBP strata with 70-79 mmHg stratum as reference. OR, odds, ratio; CI, confidence interval.

^*P < 0.05.