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Table 2 Area under the Curve (AUC) by Anthropometric Indices for General, and Central Obesity among Adult Saudis according to Gender, and Diabetic Status

From: Performance of neck circumference to predict obesity and metabolic syndrome among adult Saudis: a cross-sectional study

  AUC (CI 95%)
NC WC WHtR WHpR
Obesity (Diabetics and non-diabetics)
Males (1156) 0.84 (0.82–0.87) 0.92 (0.90–0.93) 0.92 (0.90–0.94) 0.70 (0.67–0.73)
Females (1907) 0.83 (0.81–0.85) 0.91 (0.89–0.92) 0.91 (0.90–0.92) 0.69 (0.67–0.72)
Obesity (Non-diabetics)
Males (956) 0.86 (0.83–0.88) 0.93 (0.91–0.95) 0.93 (0.91–0.95) 0.71 (0.68–0.75
Females (1556) 0.82 (0.80–0.84) 0.91 (0.90–0.92) 0.91 (0.90–0.93) 0.68 (0.66–0.71)
Obesity (Diabetics)
Males (200) 0.77 (0.70–0.83) 0.88 (0.83–0.93) 0.91 (0.87–0.95) 0.62 (0.52–0.68)
Females (348) 0.77 (0.72–0.83) 0.84 (0.80–0.88) 0.85 (0.81–0.89) 0.52 (0.45–0.58)^
  NC WC WHtR BMI
Central Obesity (Diabetics and Non-Diabetics)
Males (1156) 0.80 (0.77–0.82) 0.88 (0.86–0.90) 0.89 (0.87–0.91) 0.75 (0.72–0.78)
Females (1907) 0.77 (0.74–0.80) 0.90 (0.88–0.92) 0.90 (0.82–0.92) 0.70 (0.67–0.73)
Central Obesity (Non-diabetics)
Males (956) 0.79 (0.76–0.82) 0.88 (0.86–0.90) 0.89 (0.91–0.95) 0.72 (0.72–0.78)
Females (1556) 0.78 (0.74–0.82) 0.91 (0.88–0.93) 0.92 (0.89–0.94) 0.71 (0.67–0.75)
Central Obesity (Diabetics)
Males (200) 0.71 (0.61–0.81) 0.81 (0.72–0.89) 0.82 (0.74–0.91) 0.64 (0.53–0.76)
Females (348) 0.60 (0.54–0.67) 0.78 (0.73–0.83) 0.78 (0.73–0.82) 0.50 (0.44–0.57)^
  1. Legend: NC neck circumference, WC waist circumference, WHtR waist height ratio, WHpR waist hip ratio, BMI body mass index,^= not significant, CI Confidence Interval