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Table 2 Statistical comparison on the relative impact of rig, pipe orientation, and water use frequency. Weighted UniFrac distance matrix was applied for Adonis and Betadisp test with permutation = 999 ({vegan}, R)

From: Effect of heat shock on hot water plumbing microbiota and Legionella pneumophila control

 

Rig

Pipe orientation

Water use frequency

R 2 Adonis

P Adonis

P Betadisp

R 2 Adonis

P Adonis

P Betadisp

R 2 Adonis

P Adonis

P Betadisp

a. Biofilm samples

 2-month pre- (36)

0.2917

0.001

0.261

0.1160

0.004

0.487

0.1508

0.006

0.290

 Immediately pre- (35)

0.2082

0.001

0.014

0.1782

0.001

0.001

0.1897

0.003

0.873

 2-month post- (36)

0.1614

0.001

0.001

0.1925

0.001

0.024

0.1121

0.031

0.383

b. Bulk water samples

 2-month pre- (36)

0.4311

0.001

0.012

0.1580

0.010

0.308

0.1018

0.104

0.466

 Immediately pre- (34)

0.2937

0.001

0.001

0.0944

0.016

0.225

0.1125

0.056

0.282

 Immediately post- (36)

0.7772

0.001

0.833

0.0116

0.645

0.714

0.0388

0.550

0.935

 8-h post- (36)

0.6692

0.001

0.833

0.0253

0.364

0.965

0.0337

0.655

0.770

 2-month post- (36)

0.1076

0.013

0.896

0.0343

0.298

0.909

0.5350

0.001

0.051

  1. Bold font indicates statistically significant value (P < 0.05)