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Preterm Birth and Childhood Wheezing Disorders: A Systematic Review and Meta-Analysis

Figure 6

Meta-analysis of association between moderately preterm birth and childhood wheezing disorders.

(A) unadjusted effect estimates; (B) adjusted effect estimates. Subgroups taken from individual studies noted in parentheses. Heterogeneity: I2 (unadjusted) = 92% (95% CI 87%–94%); I2 (adjusted) = 89% (95% CI 82%–93%). Confounders adjusted for in individual studies are outlined in Figure 3 and Table S3. LRI, lower respiratory infection; PTB, preterm birth; WD, wheezing disorders.

Figure 6

doi: https://doi.org/10.1371/journal.pmed.1001596.g006