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Table 2 The serum lipid concentrations of the study population by area of residence

From: Prevalence and risk factors for dyslipidemia among adults in rural and urban China: findings from the China National Stroke Screening and prevention project (CNSSPP)

 OverallRuralUrban
LIPID VARIABLESP (95% CI)P (95% CI)P (95% CI)
Total cholesterol mmol/L (mg/dL)
 Desirable <5.2 (< 200)60.7 (60.4–60.9)59.5 (59.2–59.9)61.9 (61.5–62.3)
 Borderline high ≥5.2 (200) and - < 6.2 (240)28 .0 (27.8–28.2)28.7 (28.3–29.0)27.2 (26.9–27.6)
 High ≥6.22 (240)11.3 (11.2–11.5)11.8 (11.6–12.0)10.9 (10.6–11.1)
LDL-C* mmol/L (mg/dL)
 Desirable < 2.6 (100)39.1 (38.8–38.3)39.2 (38.9–39.6)38.9 (38.5–39.2)
 Near optimal ≥2.6 (100) and < 3.4 (130)34.5 (34.2–34.7)34 (33.6–34.3)35 (34.6–35.3)
 Borderline high ≥3.4 (130) and 4.1(160)18.4 (18.2–18.6)18.4 18.1–18.7)18.4 18.1–18.7)
 High ≥4.1 (160)8.1 (7.9–8.2)8.3 (8.1–8.5)7.8 (7.6–8.0)
HDL-C* mmol/L (mg/dL)
 Low < 1.0 (<  40)19.9 (19.7–20.1)19.2 (18.9–19.5)20.8 (20.5–21.1)
 Desirable ≥1.0 (40) and 1.6 (60)51.6 (51.3–51.9)48.9 48.6–49.3)54.7 (54.3–55.0)
 High ≥1.6(≥60)28.5 (28.2–28.7)31.9 (31.6–32.2)24.6 (24.2–24.9)
Triglycerides, mmol/L (mg/dL)
 Desirable < 1.7 (< 150)58.5 (58.2–58.7)58.4 (58.1–58.8)58.5 (58.2–58.9)
 Borderline high 1.7 (150) and 2.3 (200)19.1 (18.9–19.3)19.2 (18.9–19.5)19 (18.7–19.3)
 High ≥2.3 (≥200)22.4 (22.2–22.6)22.4 (22.1–22.7)22.5 (22. 2–22.8)
Non- HDL-C* mmo/l (mg/dl)
 Desirable < 4.1 (< 160)70.9 (70.6–71.1)70.8 (70.4–71.1)71 (70.6–71.3)
 Borderline ≥4.1 (160) and < 4.9 (190)18.7 (18.5–18.9)18.3 (18.1–18.6)19 (18.7–19.3)
 High ≥4.9 (190)10.5 (10.3–10.6)10.9 (10.7–11.1)10 (9.8–10.2)
  1. *LDL-C low-density lipoprotein; *HDL-C high-density lipoprotein. †Non HDL-C has missing values of 76
  2. (0.1%); P percentage; CI Confidence interval