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Table 4 Association of demographic variables, components of metabolic syndrome, and salivary leptin with high levels of plasma leptin in logistic regression model

From: Comparison of salivary and plasma adiponectin and leptin in patients with metabolic syndrome

    High level of plasma leptin (> 9.525 ng/ml)
Independent variable Plasma leptin (ng/ml) ≤ 9.525 Plasma leptin (ng/ml) > 9.525 Crude OR (95% CI) p Adjusted OR (95% CI) p
Age (years) 46.50 (42.00-54.75) 48.00 (40.25-56.00) 1.010 (.975-1.047) .581 1.043 (.971-1.120) .246
Gender       
Male (reference) 38 (29.69%) 15 (11.72%)     
Female 26 (20.31%) 49 (38.28%) 4.774 (2.224-10.247) <.001* 91.224 (13.397-621.151) <.001*
Body mass index (kg/m2) 22.81 (21.18-24.74) 27.31 (23.87-29.96) 1.368 (1.207-1.549) <.001* 1.621 (1.212-2.168) .001*
Triglyceride (mg/dL) 89.00 (68.25-201.25) 160.50 (104.50-226.50) 1.002 (.999-1.005) .124 .998 (.993-1.003) .358
High density lipoprotein cholesterol (mg/dL) 60.00 (45.50-66.75) 47.50 (40.00-55.75) .970 (.947-.994) .015* .966 (.938-.996) .024*
Systolic blood pressure (mmHg) 125.50 (114.25-136.00) 128.00 (117.00-140.00) 1.012 (.989-1.036) .310 .973 (.906-1.044) .444
Diastolic blood pressure (mmHg) 80.00 (71.25-89.00) 81.00 (75.00-87.00) 1.007 (.973-1.043) .684 1.037 (.942-1.142) .458
Fasting plasma glucose (mg/dL) 94.00 (88.25-106.00) 99.50 (92.25-107.75) .994 (.986-1.002) .142 .987 (.969-1.005) .143
Waist circumference (cm) 81.00 (74.00-86.00) 90.50 (86.00-94.75) 1.109 (1.060-1.161) <.001* 1.099 (.978-1.236) .113
Salivary Leptin (pg/ml) 45.26 (13.92-92.06) 30.19 (16.28-50.76) .999 (.993-1.004) .643 1.004 (.995-1.013) .356
  1. Data presented as median (25th-75th percentile).
  2. *statistical significance