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Table 2 Clinical and biochemical data analysis between the groups

From: Obesity is associated with increased seminal insulin and leptin alongside reduced fertility parameters in a controlled male cohort

  Non obese group Obese group p
  n Mean ± SD Median Range n Mean ± SD Median Range  
Age (years) 19 35.1 ± 5.9 35 24 – 49 23 37.9 ± 7.3 38 26 - 49 0.2172
Body mass index 19 25.5 ± 2.4 26.5 19.1 – 28.7 23 35.8 ± 4.3 35.7 30.1 – 44.0 <0.0001
Waist (cm) 19 91.4 ± 8.6 94.0 74.1 – 105.3 23 118.8 ± 12.9 115.2 96.2 – 141.9 <0.0001
Hips (cm) 19 97.3 ± 6.6 97.0 82.2 – 106.1 23 114.9 ± 83.3 114.2 98.1 – 136.4 <0.0001
Waist-to-hip ratio 19 0.92 ± 0.07 0.94 0.8 – 1.01 23 1.03 ± 0.06 1.03 0.91 – 1.17 <0.0001
Serum Glucose (mmol/L) 19 4.9 ± 0.4 4.9 3.8 – 5.3 23 5.4 ± 0.8 5.3 4.4 – 6.9 0.0071
Seminal Glucose (mmol/L) 19 1.87 ± 0.69 1.65 0.96 – 3.69 23 1.54 ± 0.38 1.69 0.69 – 1.99 0.0747
Serum Insulin (mIU/L) 19 5.5 ± 1.8 6.2 3.2 – 9.2 23 12.5 ± 5.8 12.4 4.3 – 32.0 <0.0001
Seminal Insulin* (mIU/L) 19 208.8 ± 98.2 162.5 128.7 – 439.4 23 517.6 ± 256.5 476 175.9 – 1060 <0.0001
Serum Leptin (ng/ml) 19 4.1 ± 2.4 4.5 1.4 – 8.7 23 8.8 ± 8.5 8.6 1.4 – 38.6 0.0187
Seminal Leptin (ng/ml) 19 5.6 ± 3.8 5.0 1.4 – 18.7 23 12.9 ± 9.1 12.5 1.4 – 34.3 0.0016
  1. All statistical analysis done via Student t-test except * = Mann–Whitney tests.