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. 2013 Apr 22;9(1):15. doi: 10.1186/1710-1492-9-15

Table 3.

Infant fecal microbiota richness and diversity according to household pets and siblings

  N Chao1 Estimate:
Shannon index:
Richness
Diversity
Mean (SD) p Mean (SD) p
Overall
24
12
(4.5)
 
1.38
(0.5)
 
Pets
No
9
10.3
(5.3)
0.21
1.16
(0.59)
0.12
Yes
15
13.0
(4.6)
 
1.51
(0.46)
 
Older siblings
No
11
13.5
(4.5)
0.16
1.50
(0.54)
0.34
Yes 13 10.7 (5.1)   1.29 (0.52)  

SD, standard deviation. Comparison by unpaired, 2-sided t-test.