Developmental outcome of very low birth weight infants in a developing country

Ballot, Daynia E; Potterton, Joanne; Chirwa, Tobias; Hilburn, Nicole; Cooper, Peter A

doi:10.1186/1471-2431-12-11

BMC Pediatrics

Table 3 Overall patient characteristics and their association with outcomes, based on abnormality cut-off (score ≤ 85) and on each Bayley Scale using latest observation of patients

From: Developmental outcome of very low birth weight infants in a developing country

			Frequency of abnormality on
	Overall		Cognitive scale		Motor scale		Language scale
Variable	n	%	n	%	n	%	n	%
Gender
Male	45	42.5	16	35.6	14	31.1	18	40.0
Female	61	57.5	30	49.2	26	42.6	27	44.3
Place of birth
Born before arrival	4	3.8	2	50	1	25.0	1	25.0
Inborn	98	93.3	44	44.9	38	38.8	43	43.9
Outborn at another clinic or hospital	2	2.9	0	0.0	0	0.0	0	0.0
Mode of delivery
Normal delivery	34	32.1	16	47.1	12	35.3	14	41.2
Vaginal breech	2	1.9	0	0.0	0	0.0	0	0.0
Caesarean	68	64.8	28	41.2	26	38.2	30	44.1
Presentation
Breech	11	10.5	4	36.4	1	9.1	3	27.3
Transverse	1	0.9	0	0	0	0.0	0	0.0
Vertex	93	88.6	41	44.1	7	7.5	41	44.1
Hypothermia at birth
No	102	96.2	46	45.1	39	38.2	45	44.1
Yes	4	3.8	0	0.0	1	25.0	0	0.0
Resuscitation at birth
No	70	66.0	30	42.9	21	30.0	25	35.7
Yes	36	34.0	16	44.4	19	52.8	20	55.6
Sepsis (Early/late onset)
No	91	86.7	42	46.2	33	36.3	38	41.8
Yes	14	13.3	4	28.6	7	50.0	7	50.0
Blood transfusion given
No	74	69.8	36	48.7	30	40.5	32	43.2
Yes	32	30.2	10	31.3	10	31.3	13	40.6
KMC care done
No	10	9.4	4	40.0	4	40.0	6	60.0
Yes	95	89.6	41	43.2	35	36.8	38	40.0
Ventilatory support given (IPPV/NCPAP)
No	82	77.4	35	42.7	29	35.4	32	39.0
Yes	24	22.6	11	45.8	11	45.8	13	54.2
Surfactant given
No	91	85.8	39	42.9	33	36.3	36	39.6
Yes	15	14.2	7	46.7	7	46.7	9	60.0
HIV exposed
No	48	67.6	23	47.9	21	43.8	20	41.7
Yes	23	32.4	10	43.5	8	34.8	10	43.4
Antenatal steroids given
No	61	57.6	29	47.5	21	34.4	25	41.0
Yes	45	42.5	17	37.8	19	42.2	20	44.4
Syphilis exposed
No	105	99.1	46	43.8	39	37.1	44	41.9
Yes	1	0.9	0	0.0	1	100.0	1	100.0
PDA
No	101	95.3	45	44.6	38	37.6	42	41.6
Yes	5	4.7	1	20.0	2	40.0	3	60.0
Hypotension
No	105	99.1	46	43.8	40	38.1	45	42.9
Yes	1	0.9	0	0.0	0	0.0	0	0.0
NEC
No	104	98.1	45	43.3	39	37.5	45	43.3
Yes	2	1.9	1	50.0	1	50.0	0	0.0
PVL
No	104	98.1	45	43.3	39	37.5	44	42.3
Yes	2	1.9	1	50.0	1	50.0	1	50.0
Dilated ventricles
No	100	95.2	43	43.0	38	38.0	42	42.0
Yes	5	4.8	3	60.0	2	40.0	3	60.0
IVH Grade
0	91	85.9	41	45.1	35	38.5	40	44.0
1	1	0.9	0	0.0	1	100.0	0	0.0
2	12	11.3	5	41.7	3	25.0	4	33.3
3	2	1.9	0	0.0	1	50.0	1	50.0
Birth Weight
< 750 g	3	2.8	1	33.3	1	33.3	2	66.7
750-900 g	5	4.7	0	0.0	1	20.0	0	0.0
900-1000 g	8	7.6	4	50.0	5	62.5	4	50.0
1000-1250 g	53	50.0	24	45.3	23	43.4	25	47.2
≥ 1250 g	37	34.9	17	46.0	10	27.0	14	37.8
Gestational Age
≤ 28	26	24.5	11	42.3	9	34.6	11	42.3
28-30	26	24.5	10	38.5	10	38.5	10	38.5
30-32	27	25.5	11	40.7	11	40.7	14	51.9
32-34	19	17.9	11	57.9	8	42.1	7	36.8
> 34	8	7.6	3	37.5	2	25.0	3	37.5
Duration of Hospital stay (days)
< 30	27	25.5	12	44.4	6	22.2	7	25.9
30-40	30	28.3	14	46.7	12	40.0	19	63.3
40-50	21	19.8	8	38.1	10	47.6	6	28.6
≥ 50	28	26.4	12	42.9	12	42.9	13	46.4
Duration of Intensive Care (days)
< 6	9	60.0	4	44.4	4	44.4	6	66.7
≥ 6	6	40.0	2	33.3	2	33.3	3	50.0
Duration of supplemental oxygen (days)
< 10	70	73.7	31	44.3	24	34.3	26	37.1
10-30	11	11.6	3	27.3	4	36.4	5	45.5
≥ 30	14	14.7	6	42.9	7	50.0	9	64.3
5 minute Apgar
< 6	18	18.0	7	38.9	10	55.6	7	38.9
≥ 6	82	82.0	37	45.1	29	35.4	37	45.1

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