Table 4 The HRs of incident HU across the quartiles of Hct in male population.

From: Higher blood hematocrit predicts hyperuricemia: a prospective study of 62897 person-years of follow-up

 

Quartile of baseline Hct

P for trend

1(lowest)

2

3

4(highest)

Minimum follow-up = 1 year (33110 person-years)

 Median (range)

39.8(<41.4)

42.5(41.4–43.5)

44.5(43.6–45.5)

46.9(>45.5)

 No. of subjects

3669

3713

3461

3579

 Person-years of follow-up

9422.5

8881.5

7727.5

7078.5

 Incidence of HU (per 1000 person-years)

55.2

56.1

63.9

78.5

 Unadjusted HR (95%CI)

1.00(reference)

1.01(0.89, 1.14)

1.13(1.00, 1.28)

1.36(1.21, 1.54)

0.00

 P value

0.93

0.05

0.00

 

 Age, BMI adjusted HR (95%CI)

1.00(reference)

0.95(0.84, 1.08)

1.04(0.92, 1.18)

1.22(1.08, 1.38)

0.00

 P value

0.43

0.57

0.00

 Multivariable adjusted HR (95%CI)

1.00(reference)

0.92(0.81, 1.04)

0.96(0.85, 1.10)

1.11(0.98, 1.26)

0.09

 P value

0.17

0.57

0.11

Minimum follow-up = 2 years (31814 person-years)

 Multivariable adjusted HR (95%CI)

1.00(reference)

0.90(0.79, 1.02)

0.98(0.86, 1.11)

1.13(0.99, 1.28)

0.04

 P value

 

0.10

0.71

0.07

 

Minimum follow-up = 3 years (26441 person-years)

 Multivariable adjusted HR (95%CI)

1.00(reference)

0.87(0.77, 0.99)

0.96(0.88, 1.13)

1.15(1.02, 1.31)

0.01

 P value

0.04

0.96

0.03

 

Minimum follow-up = 4 years (20756 person-years)

 Multivariable adjusted HR (95%CI)

1.00(reference)

0.94(0.83, 1.08)

1.09(0.95, 1.24)

1.40(1.23, 1.59)

0.00

 P value

0.40

0.22

0.00

  1. Hct, hematocrit; BMI, body mass index; No., number; HR, hazard ratio.
  2. Multivariable adjusted model included: age, sex (male or female), BMI (≥25 or <25), white blood cell count, platelet count, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol, triglyceride (log-transformed), alanine aminotransferase (log-transformed), Estimated glomerular filtration rate (eGFR), fasting blood glucose (log-transformed), systolic pressure and diastolic pressure.