Association of serum uric acid with anemia in U.S. adults: a cross-sectional study using secondary data

Table 3 Threshold Effect Analysis for SUA and anemia using Piece-wise Linear Effect: anemia cause: SUA

Gender	Male	Female	Total
Inflection point of uric acid(mg/dl)	6.3	4.4	6.2
On the left	0.89 (0.73, 1.08) 0.2406	0.72 (0.58, 0.91) 0.0047	0.86 (0.78, 0.95) 0.0029
On the right	1.40 (1.15, 1.70) 0.0008	1.18 (1.04, 1.33) 0.0096	1.33(1.16, 1.52) < 0.0001
P for log likelihood ratio test	0.007	< 0.001	< 0.001
95% CI of inflection point	6, 6.5	4.2, 4.5	5.9, 6.5

Adjusted: age, gender, race, academic level, marital status, BMI, smoking status,
drinking, RBC folate, Vitamin B12, total cholesterol, hypertension, diabetes mellitus, congestive heart failure, coronary heart disease, eGFR, white blood cells, platelets, albumin, serum iron

ISSN: 1471-2261