Research Article

Subnormal Peripheral Blood Leukocyte Counts Are Related to the Lowest Prevalence and Incidence of Metabolic Syndrome: Tianjin Chronic Low-Grade Systemic Inflammation and Health Cohort Study

Table 3

Cohort analysis: age- and sex-adjusted baseline characteristics of the subjects according to categories of peripheral blood leukocyte counts ( = 13,061)1.

Categories of peripheral blood leukocyte counts (range: ×1,000 cells/mm3) for trend2
Subnormal
(1.1–3.9)
Level 2
(4.0–4.9)
Level 3
(5.0–5.9)
Level 4
(6.0–6.9)
Level 5
(7.0–7.9)
Level 6
(8.0–8.9)
Level 7
(9.0–9.9)
Above-normal
(10.0–14.5)

Age (y)44.8 (44.0, 45.5)343.9 (43.5, 44.3)43.1 (42.7, 43.5)43.0 (42.6, 43.5)42.5 (41.8, 43.2)43.9 (43.0, 44.8)<0.0001
Sex (male, %)36.849.258.964.466.675.2<0.0001
BMI (kg/m2)23.0 (22.8, 23.2)23.5 (23.4, 23.6)24.1 (24.0, 24.2)24.6 (24.4, 24.7)24.8 (24.7, 25.0)24.8 (24.6, 25.1)<0.0001
Waist circumference (cm)78.1 (77.6, 78.5)79.4 (79.2, 79.7)80.9 (80.7, 81.2)82.0 (81.6, 82.3)82.8 (82.3, 83.2)83.1 (82.5, 83.6)<0.0001
TC (mmol/L)4.94 (4.88, 4.99)5.00 (4.97, 5.03)5.03 (5.00, 5.06)5.07 (5.03, 5.10)5.07 (5.02, 5.12)5.08 (5.01, 5.14)<0.01
TG (mmol/L)1.00 (0.95, 1.05)1.11 (1.08, 1.13)1.23 (1.20, 1.25)1.31 (1.28, 1.34)1.36 (1.31, 1.41)1.47 (1.41, 1.52)<0.0001
LDL (mmol/L)2.94 (2.89, 2.98)2.99 (2.97, 3.02)3.01 (2.99, 3.04)3.05 (3.02, 3.08)3.06 (3.01, 3.10)3.01 (2.95, 3.07)<0.01
HDL (mmol/L)1.58 (1.56, 1.59)1.54 (1.53, 1.55)1.50 (1.49, 1.51)1.47 (1.45, 1.48)1.43 (1.41, 1.45)1.45 (1.43, 1.47)<0.0001
SBP (mmHg)115.2
(114.4, 116)
116.3
(115.8, 116.8)
117.5
(117.1, 117.9)
117.5
(116.9, 118.0)
118.2
(117.4, 119.0)
117.4 (116.4, 118.4)<0.0001
DBP (mmHg)73.3 (72.7, 73.8)74.1 (73.8, 74.4)74.8 (74.6, 75.1)75.2 (74.9, 75.6)75.3 (74.8, 75.8)75.3 (74.6, 76.0)<0.0001
FBS (mmol/L)4.75 (4.71, 4.79)4.76 (4.74, 4.79)4.76 (4.73, 4.78)4.75 (4.73, 4.78)4.71 (4.67, 4.75)4.69 (4.64, 4.75)0.72
Serum UA ( mol/L)283.2
(279.4, 286.9)
290.3
(288.2, 292.5)
299.0
(297.0, 301.0)
302.2
(299.7, 304.6)
305.6
(301.9, 309.3)
303.1 (298.4, 307.9)<0.0001
Fibrinogen (g/L)2.63 (2.6, 2.66)2.67 (2.65, 2.68)2.68 (2.66, 2.69)2.71 (2.69, 2.73)2.72 (2.69, 2.75)2.80 (2.77, 2.84)<0.01
Albumin (g/L)46.0 (45.8, 46.2)46.0 (45.9, 46.1)45.9 (45.8, 46.0)45.7 (45.6, 45.9)45.7 (45.5, 45.9)45.4 (45.1, 45.6)0.41
Smoking status (%)
 Smoker11.016.622.631.140.554.9<0.0001
 Ex-smoker0.000.030.020.000.000.140.23
Drinker (%)19.826.732.735.236.943.2<0.001
Family history of diseases (%)
 CVD35.534.833.331.733.334.10.74
 Hypertension49.047.449.548.847.648.20.52
 Hyperlipidemia1.251.181.051.140.760.560.16
 Diabetes15.917.518.519.721.022.7<0.0001

BMI: body mass index; TC: total cholesterol; TG: triglycerides; LDL: low-density lipoprotein cholesterol; HDL: high-density lipoprotein cholesterol; SBP: systolic blood pressure; DBP: diastolic blood pressure; FBS: fasting blood sugar; UA: uric acid; CVD: cardiovascular disease.
2Analysis of covariance or logistic regression analysis adjusted for age and sex where appropriate.
3Adjusted least squares mean (95% confidence interval) (all such values).