. 2016 Sep 20;4:e2483. doi: 10.7717/peerj.2483

Table 5. Neonatal outcome—morbidity.

	Conservative (n = 77)	missing	Aggressive (n = 85)	missing	P
Hospitalization, days	77 [61–98]^b		78 [58–100]^b		0.710
Death	9 (11.7)^a		11 (13.0)^a		1.000
PNAC	35 (45.5)^a		23 (27.0)^a		0.021
Onset (day of life)	34 [20–45]^b		30 [12–39] ^b		0.460
Peak conjugated bilirubin	5.0 [3.2–8.4]^b		4.7 [3.3–7.4]^b		0.851
Mortality	8/35 (22.9)^a		5/23 (21.7)^a		1.000
Sepsis (culture proven)	36 (46.7)^a		25 (29.4)^a		0.024
Necrotizing enterocolitis	8 (10.4)^a		8 (9.4)^a		1.000
Focal intestinal perforation	1 (1.3)^a		1 (1.2)^a		0.726
IVH grade 3/4	14 (18.1)^a		10 (11.8)^a		0.275
Surgery (any)	26 (33.8)^a		35 (41.2)^a		0.209
Surgery (GI)	11 (14.3)^a		8 (9.4)^a		0.464
NEC and/or GI surgery	12 (15.6)^a		11 (12.9)^a		0.658
Cystic PVL	3 (3.9)^a		1 (1.2)^a		0.274
BPD	19 (24.6)^a	16 (20.7)^a	24 (28.2)^a	23 (27.0)^a	0.451
Steroids for BPD	16 (20.8)^a		10 (11.8)^a		0.137
Medical treatment for PDA	44 (57.1)^a		59 (69.4)^a		0.141
ROP (any stage)	18 (23.3)^a	8 (10.4)^a	27 (31.8)^a	11 (12.9)^a	0.209

Notes.

Univariate analysis of neonatal outcome parameters. Categorical data were tested using the Chi Square test; metric data were tested using the student’s t test.

P values < 0.05 were considered statistically significant and printed in bold letters.

number with percentage in parentheses.

median and interquartile range.

PNAC: parenteral nutrition associated cholestasis
IVH: intraventricular hemorrhage
PVL: periventricular leucomalacia
BPD: bronchopulmonary dysplasia
PDA: persistent ductus arteriosus
ROP: retinopathy of prematurity
GI: gastrointestinal