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. 2020 May 18;103(1):520–527. doi: 10.4269/ajtmh.19-0761

Table 3.

Diversity of bacterial ASVs at baseline and 18-month follow-up among age-matched cases and controls for seven separate growth criteria in the Mirzapur, Bangladesh cohort with at least 2,000 reads

Case/Control Classification Number of children Mean among cases Mean among controls P-value*
Shannon (alpha) diversity at baseline
 ΔHAZ 14 2.31 2.24 0.710
 ΔWAZ 16 2.46 2.27 0.257
 ΔWFLZ 18 2.42 2.26 0.328
Shannon (alpha) diversity at 18 months
 ΔHAZ 14 5.34 5.47 0.314
 ΔWAZ 16 5.45 5.59 0.036
 ΔWFLZ 18 5.41 5.48 0.473
Beta diversity for ASV turnover from baseline to 18 months
 ΔHAZ 14 1.00 1.00 0.172
 ΔWAZ 16 1.00 1.00 0.430
 ΔWFLZ 18 1.00 1.00 0.632
Shannon (alpha) diversity at baseline
 Alpha-1-antitrypsin 20 2.30 2.32 0.901
 Calprotectin 16 2.28 2.12 0.340
 Myeloperoxidase 8 2.26 2.30 0.885
 Neopterin 16 2.11 2.48 0.016
Shannon (alpha) diversity at 18 months
 Alpha-1-antitrypsin 20 5.41 5.50 0.442
 Calprotectin 16 5.33 5.40 0.521
 Myeloperoxidase 8 5.35 5.37 0.918
 Neopterin 16 5.36 5.44 0.618
Beta diversity for ASV turnover from baseline to 18 months
 Alpha-1-antitrypsin 20 1.00 1.00 0.162
 Calprotectin 16 1.00 1.00 0.447
 Myeloperoxidase 8 1.00 0.99 0.289
 Neopterin 16 1.00 1.00 0.692

ASV = amplicon sequence variant; HAZ = height for age Z-score; WAZ = weight for age Z score; WFLZ = weight length or age Z-score.

*

Difference in mean diversity determined by Student’s t-test.