Table 2.

Incidence and risks of eGFR decline ≥30% over a 2-year follow-up period in older people.

Serum uric acid (mg/dL)	Incidence		Logistic Regression Analysis
	No. of Events	No. of Participants	Crude Odds Ratio (95% CI)	P	Adjusted Odds Ratio (95% CI)a	P
2.0–2.9	23 (4.4%)	522	2.07 (1.34–3.21)	0.001	1.69 (1.08–2.63)	0.021
3.0–3.9	64 (2.4%)	2,656	1.11 (0.84–1.47)	0.463	0.91 (0.68–1.20)	0.491
4.0–4.9	205 (2.7%)	7,708	1.23 (1.02–1.48)	0.032	1.10 (0.91–1.33)	0.319
5.0–5.9	241 (2.2%)	11,076	Reference		Reference
6.0–6.9	233 (2.3%)	10,047	1.07 (0.89–1.28)	0.483	1.21 (1.00–1.45)	0.048
7.0–7.9	220 (3.4%)	6,435	1.59 (1.32–1.92)	<0.001	1.91 (1.58–2.32)	<0.001
8.0–8.9	103 (3.0%)	3,387	1.41 (1.12–1.78)	0.004	1.77 (1.38–2.26)	<0.001
9.0–9.9	41 (3.1%)	1,344	1.41 (1.01–1.98)	0.043	1.61 (1.13–2.29)	0.008
≥10	60 (6.6%)	903	3.20 (2.39–4.28)	<0.001	3.35 (2.45–4.59)	<0.001

^aAdjusted for age, sex, body mass index, smoking, alcohol drinking, comorbidities and all biochemical data in Table 1.

Abbreviation: CI, confidence interval; eGFR, estimated glomerular filtration rate.

SI conversion factors: To convert uric acid value to μmol/L, multiply by 59.485.