Neonatal near miss: a systematic review

Table 4 Risk factors for neonatal death by adjusted analysis, Birth in Brazil survey, 2011–2012 (Modified from Silva et al., 2014) [20]

Variables	n (unweight)^a	By 1000 (weighted)	Odds ratio (95 %CI)^b	p-value*
Birthweight (g)
≥ 2500	21740	2.2	1
1500 to 2499	1763	31.3	5.38 (1.83–15.84)	<0.001
< 1500	321	407.9	10.51 (3.00–36.83)	<0.001
Apgar score at 5^th minute
≥ 7	22909	7.1	1
< 7	211	369.8	15.98 (6.02–42.38)	<0.001
Mechanical ventilation
No	23631	3.1	1.00
Yes	430	370.7	14.47 (6.90–30.35)	<0.001
Gestational age (weeks)
≥ 37	21174	2.2	1.00
32–36	2092	20.6	1.30 (0.47–3.62)	0.641
< 32	336	386,3	5.13 (1.59–16.52)	0.006
Congenital malformation
No	23914	9.5	1.00
Yes	147	230.3	15.50 (5.88–40.87)	<0.001

^anumbers may not add up to total (24061) because of missing values
^bOdds ratio calculated from multiple logistic regression with adjustment for all variables on the table
*P-value calculated by the log-likelihood ratio

ISSN: 1471-2393