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. 2009 Oct 14;7:112. doi: 10.1186/1477-7827-7-112

Table 4.

Performance of the lamellar bodies count to predict the absence of clinical respiratory distress syndrome among women between 32 to 34 weeks of gestation

Sensitivity Specificity PPV* NPV†
LBC ≥ 28000 91.7% 100% 100% 16.7%
LBC ≤ 16000 100% 60% 86% 0%

*PPV = positive predictive value

†NPV = negative predictive value