The objective of the study was to develop clinical screening criteria to diagnose infants with intraventricular hemorrhage (IVH) and cystic periventricular leukomalacia (PVL). We performed a case-control investigation of two cohorts of very-low-birth-weight infants (n=505, combined cohorts). Univariate and multivariate analyses were performed from data obtained in cohort 1 to develop screening criteria for IVH and cystic PVL. The screening criteria were then applied to cohort 2. The screening criteria for IVH had a sensitivity of only 51 %, a specificity of 62%, a positive predictive value of 31 %, and a negative predictive value of 79%. Screening criteria for cystic PVL had a sensitivity of only 22%, a specificity of 58% a positive predictive value of 2%, and a negative predictive value of 95%. These data suggest that using clinical criteria to determine which infants should receive screening cranial sonography for IVH and cystic PVL would miss a substantial number of infants with these conditions. Clin Pediatr. 1999;38:503-509
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