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. 2011 May 20;6(5):e19901. doi: 10.1371/journal.pone.0019901

Table 4. Unadjusted and adjusted linear regression coefficients of sex-specific quintiles of uric acid (95% CI) on log of inflammatory markers in females.

Q1 Q2 Q3 Q4 Q5 P-trend
Serum uric acid (µmol/L) 193 233 263 298 357
IL-1β (pg/mL) Unadjusted Ref −0.01 −0.15 −0.13 −0.34 <0.001
(−0.19;0.17) (−0.33;0.03) (−0.31;0.05) (−0.52;−0.16)
Fully adjusted Ref 0.01 −0.09 −0.03 −0.18 0.106
(−0.17;0.19) (−0.27;0.10) (−0.21;0.16) (−0.39;0.02)
Fully adjusted excluding BMI Ref 0.01 −0.09 −0.04 −0.21 0.050
(−0.17;0.19) (−0.27;0.09) (−0.22;0.15) (−0.40;−0.01)
IL-6(pg/mL) Unadjusted Ref −0.10 0.08 0.11 0.28 <0.001
(−0.26;0.06) (−0.08;0.25) (−0.05;0.27) (0.11;0.44)
Fully adjusted Ref −0.11 0.03 0.02 0.08 0.179
(−0.28;0.05) (−0.13;0.20) (−0.15;0.19) (−0.10;0.27)
Fully adjusted excluding BMI Ref −0.10 0.07 0.10 0.22 0.002
−0.26;0.06) (−0.09;0.24) (−0.07;0.27) (0.04;0.39)
TNF-α (pg/mL) Unadjusted Ref 0.06 0.14 0.19 0.26 <0.001
(−0.04;0.16) (0.04;0.24) (0.08;0.29) (0.16;0.36)
Fully adjusted Ref 0.04 0.08 0.09 0.09 0.065
(−0.06;0.14) (−0.02;0.18) (−0.01;0.20) (−0.02;0.21)
Fully adjusted excluding BMI Ref 0.04 0.10 0.13 0.16 0.001
(−0.06;0.14) (0.00;0.20) (0.03;0.23) (0.05;0.27)
CRP (mg/L) Unadjusted Ref 0.07 0.30 0.52 0.92 <0.001
(−0.04;0.19) (0.18;0.42) (0.40;0.64) (0.80;1.04)
Fully adjusted Ref 0.04 0.15 0.23 0.39 <0.001
(−0.07;0.15) (0.04;0.26) (0.11;0.34) (0.27;0.51)
Fully adjusted excluding BMI Ref 0.08 0.27 0.48 0.80 <0.001
(−0.03;0.20) (0.16;0.39) (0.36;0.60) (0.67;0.93)

*median value of serum uric acid in each quintile. IL-1β = interleukin-1β; IL-6 = interleukin-6: TNF-α = tumour necrosis factor-alpha; CRP = ultrasensitive C-reactive protein.

Adjusted for age, alcohol intake, smoking, BMI, GFR (calculated according to Modification in Diet in Renal Disease equation), diabetes, hypertension & use of diuretics.