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Table 5 The risks of metabolic syndrome according to RDW quartiles in different genders

From: The relationship between red blood cell distribution width and metabolic syndrome in elderly Chinese: a cross-sectional study

Males Females
Parameter values Crude OR (CI) ^ Adjusted OR (CI) $ Parameter values Crude OR (CI) ^ Adjusted OR (CI) $
RDW ≤12.50 (reference) RDW ≤12.20 (reference)
12.50 < RDW ≤12.90 0.910 (0.790–1.048) 0.901 (0.769–1.057) 12.20 < RDW ≤12.60 0.951 (0.815–1.111) 1.006 (0.850–1.190)
12.90 < RDW ≤13.30 0.777 (0.670–0.901)* 0.764 (0.644–0.905)* 12.60 < RDW ≤13.10 0.883 (0.760–1.026)* 0.833 (0.749–1.041)
RDW > 13.30 0.626 (0.539–0.726)* 0.560 (0.471–0.666)* RDW > 13.10 0.839 (0.714–0.987)* 0.853 (0.712–1.022)
BMI 1.399 (1.365–1.43)* 1.233 (1.200–1.247)*
LDL 0.498 (0.413–0.601)* 1.032 (0.858–1.240)
TC 2.039 (1.725–2.411)* 1.097 (0.929–1.296)
WBC 1.257 (1.194–1.322)* 1.301 (1.231–1.375)*
Age 1.038 (1.027–1.049)* 1.034 (1.022–1.046)*
  1. RDW red blood cell distribution width, OR odds ratio, CI confidence interval
  2. Metabolic syndrome diagnosed when at least three of the followings criteria were met: (1) Waist ≥90 cm in men, ≥ 80 cm in women, (2) TG ≥ 1.70 mmol/L, (3) HDL < 1.03 mmol/L in men, < 1.29 mmol/L in women, (4) SBP ≥ 130 mmHg or DBP ≥ 85 mmHg, and (5) FG ≥ 5.60 mmol/L.
  3. ^ Logistic regression model with RDW Quartile 1 as reference, including no covariates
  4. $ Logistic regression model with RDW Quartile 1 as reference, including age, BMI, TC, LDL, RBC, HB, TBIL,BUN, MCV,WBC and MCHC as covariates
  5. *P < 0.05