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. 2019 Jun 18;13(6):e0007455. doi: 10.1371/journal.pntd.0007455

Fig 6. Forest plot of the association between A. lumbricoides and hookworm infections stratified by studies reporting unadjusted and adjusted odds ratios.

Fig 6

a = AL+/HW+; b = AL+/HW-; c = AL-/HW+; d = AL-/HW-; RE = random effects. Odds ratio compares the odds of A. lumbricoides infection among hookworm-positive individuals (a/c) to the odds of A lumbricoides infection among hookworm-negative individuals (b/d).