Table 3 FPD risk ratio computation on 2 by 2 tables aligning the combinations of levels of the factor group and putting binarily aggregated FPD scores in columns.

From: A multi-omics approach to elucidate the mechanisms of action of a dietary muramidase administered to broiler chickens

Contrast†

Risk ratio‡

Relative risk of FPD development§

p-value¤

MUL vs CON

1.33 (0.97, 1.83)

 + 33%

0.070

MUH vs CON

0.78 (0.54, 1.12)

-22%

0.170

MUH vs MUL

0.58 (0.41, 0.82)

-42%

 < 0.001

  1. †The inverse contrasts produce a risk ratio equals to the reciprocal of the risk ratio shown.
  2. ‡95% Wald confidence interval is given in brackets.
  3. §Calculated as risk ratio minus 1 percentagewise.
  4. ¤Count data were statistically analyzed via Pearson’s chi-square test.
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