Skip to main content

Table 1 Baseline characteristics of the study population: Tehran Lipid and Glucose Study (1999–2014)

From: Blood pressure components and incident cardiovascular disease and mortality events among Iranian adults with chronic kidney disease during over a decade long follow-up: a prospective cohort study

  Total
(N = 1448)
Non-survivors
(N = 305)
Survivors
(N = 1143)
p-value
Age, years 60.9 (9.9) 68.13 (7.7) 58.96 (9.6) < 0.001
BMI, kg/m2 28.2 (4.3) 27.37 (4.4) 28.4 (4.3) < 0.001
SBP (mmHg) 134.27 (23.3) 144.12 (23.9) 131.64 (22.4) < 0.001
DBP (mmHg) 81.4 (12.0) 82.3 (14.1) 81.23 (11.3) 0.22
FPG (mg/dl) 112.0 (47.19) 128.83 (61.6) 107.5 (41.4) < 0.001
2 h-PCPG (mg/dl) 141.23 (71.9) 154.7 (87.7) 138.5 (67.9) 0.012
Total cholesterol (mg/dl) 235.9(48.4) 231.16(48.9) 237.13 (48.2) 0.06
eGFR, 60 ml/min/1.73 m2 52.8 (6.3) 50.3 (8.12) 53.45 (5.6) < 0.001
Pulse pressure, (mmHg) 52.8 (18.3) 61.8 (18.7) 50.4 (17.4) < 0.001
Hypertension medication, n (%) 399 (27.6) 115 (37.7) 284 (24.8) < 0.001
Smoking status, n (%)     0.001
 Never 1131 (78.1) 214 (70.2) 917 (80.2)  
 Former 189 (13.1) 54 (17.7) 135 (11.8)  
 Current 128 (8.8) 37 (12.1) 91 (8.0)  
Diabetes, n (%) 377 (26.0) 141 (46.2) 236 (20.6) < 0.001
Hypercholesterolemia, n (%) 1135 (78.4) 231 (75.7) 904 (79.1) 0.21
Prevalent CVD, n (%) 216 (14.9) 73 (23.9) 143 (12.5) < 0.001
  1. SI conversion factors: To convert fasting plasma glucose and 2-h fasting plasma glucose concentrations to mmol/l, multiply by 0.05551; to convert total cholesterol values to mmol/l, multiply by 0.02586
  2. Mean (SD), shown for continuous variables and p value was calculated by t-test; n (%), shown for categorical variables with p value according to chi-square test
  3. BMI body mass index, WC waist circumference, SBP systolic blood pressure, DBP diastolic blood pressure, FPG fasting plasma glucose, 2h-PCPG 2-h fasting plasma glucose