Table 2.

Neonatal and clinical categorical data of the premature babies screened for retinopathy of prematurity (n  =  424)

	All infants			No ROP			Any ROP			Treatment-warranted ROP
	Missing data	n	%	Missing data	n	%	Missing data	n	%	Missing data	n	%
Sepsis at some stage	9			9
Based on clinical picture		214	51.6		191	49.7		23	74.2		12	92.3
Confirmed by positive hemoculture		50	12.1		47	12.2		3	9.7		1	7.7
No sepsis		151	36.4		146	38.0		5	16.1		0	0.0
Timing of sepsis	12			8			4			1
Early sepsis		133	52.8		122	53.0		11	50.0		5	41.7
Late sepsis (after 3 postnatal days)		119	47.2		108	47.0		11	50.0		7	58.3
Intraventricular haemorrhage at some stage	8			8
Based on clinical picture		5	1.2		5	1.3		0	0.0		0	0.0
Confirmed by ultrasound		7	1.7		6	1.6		1	3.2		1	7.7
No intraventricular haemorrhage		404	97.1		374	97.1		30	96.8		12	92.3
Necrotising enterocolitis at some stage	8			8
Based on clinical picture		33	7.9		29	7.5		4	12.9		1	7.7
Confirmed by X-ray		2	0.5		2	0.5		0	0.0		0	0.0
No necrotising enterocolitis		381	91.6		354	92.0		27	87.1		12	92.3
Patent ductus arteriosus	8			8
Asymptomatic		30	7.2		26	6.8		4	12.9		2	15.4
Hemodynamically significant		3	0.7		3	0.8		0	0.0		0	0.0
No patent ductus arteriosus		383	92.1		356	92.5		27	87.1		11	84.6
Glycemia	273			257			16			8
Hyperglycaemia at some stage (≥150 mg/dl)		28	18.5		20	14.7		8	53.3		1	20.0
No documented hyperglycaemia		123	81.5		116	85.3		7	46.7		4	80.0
Total days on any supplemental oxygen	11			11
None		134	32.4		130	34.0		4	15.4		1	7.7
<5 days		130	31.5		125	32.7		5	16.1		3	23.1
5–9 days		56	13.6		52	13.6		4	12.9		3	23.1
10–24 days		53	12.8		45	11.8		8	25.8		4	30.8
≥25 days		40	9.7		30	7.9		10	32.3		2	15.4
Received blood transfusion	8			8
None		299	71.9		285	74.0		14	45.2		6	46.2
Once		75	18.0		62	16.1		13	41.9		7	53.8
Multiple		42	10.1		38	9.9		4	12.9		0	0.0

ROP  retinopathy of prematurity