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Table 3 Sensitivity and specificity of the different anthropometric measurements for predicting LBW at selected cut-off points

From: Determining an anthropometric surrogate measure for identifying low birth weight babies in Uganda: a hospital-based cross sectional study

  (cm) Birth weight Birth weight Sensitivity Specificity
   < 2500 grams ≥ 2500 grams (95% CI) (95% CI)
Head circumference (HC) <33.3 70 109 82.4 82.4
≥33.3 15 512 (79.4–85.5) (72.6–89.8)
Foot length (FL) <7.9 80 108 94.1 82.6
≥7.9 5 513 (86.8–98.1) (79.8–86.1)
Mid upper arm circumference (MUAC) <10.1 79 121 92.9 80.5
≥10.1 6 500 (85.3–97.4) (77.2–83.6)
Thigh circumference (TC) <15.7 77 113 90.6 81.8
≥15.7 8 508 (82.3–95.8) (78.7–84.9)
Chest circumference (CC) <31.0 78 65 91.8 89.5
  ≥31.0 7 556 (83.8–96.6) (86.9–91.8)