Table 3 Sensitivity, specificity, PPV and NPV for operational anthropometric cut-offs together with the 95% confidence interval
Sensitivity (%) (95% CIe) | Specificity (%) (95% CI) | PPVf (95% CI) | NPVg (95% CI) | ||
|---|---|---|---|---|---|
SGAa | FLb ≤ 7.7 cm | 74 (61–83) | 69 (63–74) | 0.35 (0.27–0.43) | 0.92 (0.88–0.95) |
CCc ≤ 31.6 cm | 79 (68–88) | 81 (76–85) | 0.49 (0.39–0.58) | 0.95 (0.91–0.97) | |
MUACd ≤ 10.1 cm | 76 (65–86) | 77 (72–82) | 0.43 (0.34–0.52) | 0.94 (0.90–0.96) | |
Low birth weight | FL ≤7.7 cm | 82 (66–92) | 67 (61–72) | 0.22 (0.16–0.30) | 0.97 (0.94–0.99) |
CC ≤ 31.6 cm | 87 (73–96) | 76 (71–81) | 0.30 (0.22–0.39) | 0.98 (0.96–0.99) | |
MUAC ≤10.1 cm | 85 (69–94) | 73 (68–77) | 0.26 (0.19–0.35) | 0.98 (0.95–0.99) | |
Preterm | FL ≤ 7.7 cm | 94 (71–100) | 64 (59–69) | 0.11 (0.06–0.17) | 1.00 (0.98–1.00) |
CC ≤ 31.6 cm | 94 (71–100) | 72 (67–77) | 0.14 (0.08–0.22) | 1.00 (0.98–1.00) | |
MUAC ≤10.1 cm | 88 (64–99) | 69 (64–74) | 0.12 (0.07–0.19) | 0.99 (0.97–1.00) | |