. Author manuscript; available in PMC: 2016 Jan 1.

Published in final edited form as: J Perinat Neonatal Nurs. 2015 Jan-Mar;29(1):60–68. doi: 10.1097/JPN.0000000000000081

Table 3.

Pairwise comparison of differences between mean number of stools per day, reported by week of NEC onset and by NEC stage

	DIFFERENCE in number of stools/day Median [IQR] p	Stage I Median [IQR] p	Stage II Median [IQR] p	Stage III Median [IQR] p

DIFFERENCE in mean number of stools/day reported by Bell Stage and Week of disease diagnosis
Week1 (n=129)	0.0 [−0.6, 0.7] *.38*	0.2 [−0.3, 0.9] *.09*	0.1 [−1.0, 1.0] *.99*	00 [−0.6, 0.6] *.90*
Week2 (n=99)	0.0 [−1.0–1.0] *.77*	0.0 [−1.0, 0.5] *.30*	−0.1 [−1.0, 1.0] *.79*	0.1 [−1.4, 1.9] *.47*
Week3 (n=60)	0.0 [−1.1, 1.1] *.73*	0.0 [−0.7, 1.6] *.99*	0.1 [−2.1, 1.0] *.35*	.21 [−1.0, 1.0] *.90*
Week4 (n=39)	0.3 [−0.7, 1.7] *.16*	0.9 [−0.3, 2.3] *.12*	0.1 [−1.2, 1.7] *.89*	.21 [−0.6, 1.0] *.48*