Table 1.
Quality scoring criteria.
Fig 1.
PRISMA flow diagram.
Table 2.
Included study characteristics.
Fig 2.
Study quality indicators.
Table 3.
UNHS meta-analysis study quality scoring results.
Fig 3.
UNHS-detected PCHL prevalence in the screened population.
Fig 4.
UNHS-detected PCHL prevalence in the screened population by regional and setting subgroups.
Fig 5.
UNHS-detected PCHL prevalence in NICU versus non-NICU populations.
Table 4.
Positive predictive values for UNHS studies.
Table 5.
Negative predictive value, sensitivity, and specificity for studies with follow-up.