Study | Reason for exclusion |
---|---|
Schwiertz 2003 [57] | A study of 29 preterm infants by PCR-DGGE analysis of which only one case of NEC was observed. No comparison of NEC and controls. |
Bjorkstorm 2009 [58] | Only stool cultures and fecal calprotectin were measured. |
LaTuga 2011 [59] | A study of eleven ELBW infants was excluded as there were no direct comparison of NEC and controls. |
Morowitz 2011 [49] | Community genomic analysis at the strain level in one premature infant was excluded because the study did not compare NEC and controls. |
Sharon 2013 [60] | Time shifts in community genomics was excluded because the study did not compare NEC and controls. |
Carlisle 2013 [10] | A review was excluded. |
Grishin 2013 [61] | A review was excluded. |
Torraza 2013 [56] | A review was excluded. |
Taft 2014 [55] | Description of the microbiome in preterm infants without NEC or sepsis and not a comparison of NEC with controls. |
Raveh-Sadka 2015 [62] | Not a comparison of NEC with controls. |