Table 2

Pooled estimates of sensitivity, specificity, AUC and correlation coefficient values for FL, MUAC, CC and HC measurements accuracy to identify LBW or preterm babies

Anthropometric measurements/indicatorsNumber of studies forTotal cut-offsOptimal cut-off (cm)Diagnostic statistics for optimal cut-off
Sensitivity (95% CI)Specificity (95% CI)AUC (95% CI)Corr. Coef.
(95% CI)
DATCorr.
LBW
 FL911137.379.6
(70.7 to 90.8)
85.8
(74.1 to 92.8)
0.89
(0.70 to 0.96)
0.66
(0.59 to 0.73)
 MUAC9989.883.4
(71.7 to 90.9)
87.4
(82.9 to 90.8)
0.91
(0.73 to 0.97)
0.71
(0.62 to 0.78)
 CC1192128.884.7
(68.4 to 93.4)
96.8
(92.4 to 98.7)
0.92
(0.71 to 0.97)
0.79
(0.70 to 0.85)
 HC912933.485.6
(74.7 to 92.3)
82.9
(75.8 to 88.3)
0.91
(0.69 to 0.97)
0.68
(0.60 to 0.74)
Preterm
 FL75157.282.0
(59.2 to 93.5)
89.1
(79.8 to 94.4)
0.91
(0.69 to 0.98)
0.66
(0.24 to 0.87)
 MUAC3248.870.0
(17.5 to 96.0)
91.5
(51.3 to 99.1)
0.83
(0.47 to 0.95)
--
 CC32430.378.0
(64.5 to 87.4)
93.0
(90.4 to 95.0)
0.88
(0.75 to 0.95)
--
  • AUC, area under curve; CC, chest circumference; FL, foot length; HC, head circumference; LBW, low birth weight; MUAC, mid-upper arm circumference.