Association between pulse pressure, systolic blood pressure and the risk of rapid decline of kidney function among general population without hypertension: results from the China health and retirement longitudinal study (CHARLS)

Table 4 Association between types of BP combination and the risk of rapid decline of eGFR, fully adjusted and age-stratified

Types of BP combination	In total (n, %)	Overall		Age 45–54 years		Age 55–64 years		Age ≥ 65 years
Types of BP combination	In total (n, %)	OR	P value	OR	P value	OR	P value	OR	P value
BP combination
Medium SBP and Normal PP	1068(23.6)	Ref	Ref	Ref	Ref	Ref	Ref	Ref	Ref
High SBP or High PP	739(16.3)	0.96(0.72–1.29)	0.806	1.09(0.63–1.89)	0.746	1.01(0.66–1.55)	0.965	0.83(0.45–1.51)	0.538
High SBP and High PP	329(7.3)	1.79(1.27–2.54)	0.001	2.65(1.11–6.33)	0.028	1.65(0.96–2.84)	0.069	1.66(0.93–2.95)	0.087
Low SBP and Normal PP	2369(52.3)	1.21(0.97–1.51)	0.094	1.63(1.10–2.40)	0.014	0.97(0.70–1.36)	0.874	1.06(0.65–1.75)	0.796
Low SBP and High PP	29(0.6)	3.07(1.24–7.58)	0.015	14.25(0.92–220.60)	0.057	1.95(0.39–9.86)	0.418	2.90(0.78–10.76)	0.110

Adjusted for age, gender, smoke, drink, BMI, HbA1c, LDL, UA, eGFR at baseline
BP blood pressure, PP pulse pressure, SBP systolic blood pressure, DBP diastolic blood pressure, OR odds ratio, Ref. reference, BMI body mass index, HbA1c hemoglobin A1c, LDL low-density lipoprotein, UA uric acid, eGFR estimated glomerular filtration rate

ISSN: 1479-5876