Bulletin of the World Health Organization

Diagnostic performance of visible severe wasting for identifying severe acute malnutrition in children admitted to hospital in Kenya

Polycarp Mogeni, Hemed Twahir, Victor Bandika, Laura Mwalekwa, Johnstone Thitiri, Moses Ngari, Christopher Toromo, Kathryn Maitland & James A Berkley

Volume 89, Number 12, December 2011, 900-906

Table 2. Diagnostic performance of visible severe wasting against anthropometric diagnosis of severe wasting among children aged 6 to 59.9 months admitted to two public hospitals in Kenya, 2007–2010

Parameter CPGH
KDH
MUAC < 11.5 cm n = 3 953 MUAC < 11.5 cm n = 7 213 WHZ below −3 n = 6 720
Sensitivity, % (95% CI) 47.2 (43.2– 51.2) 58.7 (55.3–62.1) 44.7 (41.6–47.9)
Specificity, % (95% CI) 97.0 (96.3–97.5) 96.1 (95.6–96.5) 96.5 (96.0–97.0)
PPV, % (95% CI) 73.6 (69.0–77.8) 65.2 (61.7–68.6) 68.3 (64.5–71.8)
NPV, % (95% CI) 91.1 (90.1–92.0) 94.9 (94.3–95.4) 91.2 (90.5–91.9)

CI, confidence interval; CPGH, Coast Provincial General Hospital; KDH, Kilifi District Hospital; MUAC, mid-upper arm circumference; NPV, negative predictive value; PPV, positive predictive value; WHZ, weight-for-height z score.